Add 21/14 and 90/56
1st number: 1 7/14, 2nd number: 1 34/56
21/14 + 90/56 is 87/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
21/14 = 21 × 4/14 × 4 = 84/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
90/56 = 90 × 1/56 × 1 = 90/56 - Add the two like fractions:
84/56 + 90/56 = 84 + 90/56 = 174/56 - 174/56 simplified gives 87/28
- So, 21/14 + 90/56 = 87/28
In mixed form: 33/28
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