Add 25/56 and 21/40
25/56 + 21/40 is 34/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
25/56 = 25 × 5/56 × 5 = 125/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
21/40 = 21 × 7/40 × 7 = 147/280 - Add the two like fractions:
125/280 + 147/280 = 125 + 147/280 = 272/280 - 272/280 simplified gives 34/35
- So, 25/56 + 21/40 = 34/35
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