Add 15/7 and 18/8
1st number: 2 1/7, 2nd number: 2 2/8
15/7 + 18/8 is 123/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
15/7 = 15 × 8/7 × 8 = 120/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Add the two like fractions:
120/56 + 126/56 = 120 + 126/56 = 246/56 - 246/56 simplified gives 123/28
- So, 15/7 + 18/8 = 123/28
In mixed form: 411/28
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