Add 81/4 and 15/7
1st number: 20 1/4, 2nd number: 2 1/7
81/4 + 15/7 is 627/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
81/4 = 81 × 7/4 × 7 = 567/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
15/7 = 15 × 4/7 × 4 = 60/28 - Add the two like fractions:
567/28 + 60/28 = 567 + 60/28 = 627/28 - So, 81/4 + 15/7 = 627/28
In mixed form: 2211/28
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