Add 20/56 and 49/72
20/56 + 49/72 is 523/504.
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,
20/56 = 20 × 9/56 × 9 = 180/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
49/72 = 49 × 7/72 × 7 = 343/504 - Add the two like fractions:
180/504 + 343/504 = 180 + 343/504 = 523/504 - So, 20/56 + 49/72 = 523/504
In mixed form: 119/504
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