Solutions by everydaycalculation.com

25/30 + 9/56 is 167/168.

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,
25/30 = 25 × 28/30 × 28 = 700/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840
4. Add the two like fractions:
700/840 + 135/840 = 700 + 135/840 = 835/840
5. 835/840 simplified gives 167/168
6. So, 25/30 + 9/56 = 167/168

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