Add 90/8 and 42/28
1st number: 11 2/8, 2nd number: 1 14/28
90/8 + 42/28 is 51/4.
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,
42/28 = 42 × 2/28 × 2 = 84/56 - Add the two like fractions:
630/56 + 84/56 = 630 + 84/56 = 714/56 - 714/56 simplified gives 51/4
- So, 90/8 + 42/28 = 51/4
In mixed form: 123/4
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