Add 21/36 and 72/56
1st number: 21/36, 2nd number: 1 16/56
21/36 + 72/56 is 157/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
21/36 = 21 × 14/36 × 14 = 294/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
72/56 = 72 × 9/56 × 9 = 648/504 - Add the two like fractions:
294/504 + 648/504 = 294 + 648/504 = 942/504 - 942/504 simplified gives 157/84
- So, 21/36 + 72/56 = 157/84
In mixed form: 173/84
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