Add 1/56 and 21/72
1/56 + 21/72 is 13/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
1/56 = 1 × 9/56 × 9 = 9/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
21/72 = 21 × 7/72 × 7 = 147/504 - Add the two like fractions:
9/504 + 147/504 = 9 + 147/504 = 156/504 - 156/504 simplified gives 13/42
- So, 1/56 + 21/72 = 13/42
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