Add 3/8 and 21/56
3/8 + 21/56 is 3/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
3/8 = 3 × 7/8 × 7 = 21/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Add the two like fractions:
21/56 + 21/56 = 21 + 21/56 = 42/56 - 42/56 simplified gives 3/4
- So, 3/8 + 21/56 = 3/4
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