Add 21/56 and 30/50
21/56 + 30/50 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
21/56 = 21 × 25/56 × 25 = 525/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
30/50 = 30 × 28/50 × 28 = 840/1400 - Add the two like fractions:
525/1400 + 840/1400 = 525 + 840/1400 = 1365/1400 - 1365/1400 simplified gives 39/40
- So, 21/56 + 30/50 = 39/40
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