# Answers

Solutions by everydaycalculation.com

## Add 20/30 and 72/56

1st number: 20/30, 2nd number: 1 16/56

20/30 + 72/56 is 41/21.

#### Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
20/30 = 20 × 28/30 × 28 = 560/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
72/56 = 72 × 15/56 × 15 = 1080/840
4. Add the two like fractions:
560/840 + 1080/840 = 560 + 1080/840 = 1640/840
5. 1640/840 simplified gives 41/21
6. So, 20/30 + 72/56 = 41/21
In mixed form: 120/21

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