Add 20/35 and 21/56
20/35 + 21/56 is 53/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
20/35 = 20 × 8/35 × 8 = 160/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Add the two like fractions:
160/280 + 105/280 = 160 + 105/280 = 265/280 - 265/280 simplified gives 53/56
- So, 20/35 + 21/56 = 53/56
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