Add 3/4 and 21/56
3/4 + 21/56 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
3/4 = 3 × 14/4 × 14 = 42/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Add the two like fractions:
42/56 + 21/56 = 42 + 21/56 = 63/56 - 63/56 simplified gives 9/8
- So, 3/4 + 21/56 = 9/8
In mixed form: 11/8
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