Add 21/56 and 21/7
1st number: 21/56, 2nd number: 3 0/7
21/56 + 21/7 is 27/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
21/7 = 21 × 8/7 × 8 = 168/56 - Add the two like fractions:
21/56 + 168/56 = 21 + 168/56 = 189/56 - 189/56 simplified gives 27/8
- So, 21/56 + 21/7 = 27/8
In mixed form: 33/8
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