Add 15/56 and 20/7
1st number: 15/56, 2nd number: 2 6/7
15/56 + 20/7 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
15/56 = 15 × 1/56 × 1 = 15/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
20/7 = 20 × 8/7 × 8 = 160/56 - Add the two like fractions:
15/56 + 160/56 = 15 + 160/56 = 175/56 - 175/56 simplified gives 25/8
- So, 15/56 + 20/7 = 25/8
In mixed form: 31/8
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