Add 90/8 and 81/28
1st number: 11 2/8, 2nd number: 2 25/28
90/8 + 81/28 is 99/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
90/8 = 90 × 7/8 × 7 = 630/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
81/28 = 81 × 2/28 × 2 = 162/56 - Add the two like fractions:
630/56 + 162/56 = 630 + 162/56 = 792/56 - 792/56 simplified gives 99/7
- So, 90/8 + 81/28 = 99/7
In mixed form: 141/7
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