Add 21/56 and 72/35
1st number: 21/56, 2nd number: 2 2/35
21/56 + 72/35 is 681/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
72/35 = 72 × 8/35 × 8 = 576/280 - Add the two like fractions:
105/280 + 576/280 = 105 + 576/280 = 681/280 - So, 21/56 + 72/35 = 681/280
In mixed form: 2121/280
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