Add 21/60 and 72/56
1st number: 21/60, 2nd number: 1 16/56
21/60 + 72/56 is 229/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
21/60 = 21 × 14/60 × 14 = 294/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
72/56 = 72 × 15/56 × 15 = 1080/840 - Add the two like fractions:
294/840 + 1080/840 = 294 + 1080/840 = 1374/840 - 1374/840 simplified gives 229/140
- So, 21/60 + 72/56 = 229/140
In mixed form: 189/140
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