Solutions by everydaycalculation.com

1st number: 3 0/10, 2nd number: 7/56

30/10 + 7/56 is 25/8.

1. Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 10 × 28 = 280,
30/10 = 30 × 28/10 × 28 = 840/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
7/56 = 7 × 5/56 × 5 = 35/280
4. Add the two like fractions:
840/280 + 35/280 = 840 + 35/280 = 875/280
5. 875/280 simplified gives 25/8
6. So, 30/10 + 7/56 = 25/8
In mixed form: 31/8

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