Add 21/50 and 20/56
21/50 + 20/56 is 136/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
21/50 = 21 × 28/50 × 28 = 588/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
20/56 = 20 × 25/56 × 25 = 500/1400 - Add the two like fractions:
588/1400 + 500/1400 = 588 + 500/1400 = 1088/1400 - 1088/1400 simplified gives 136/175
- So, 21/50 + 20/56 = 136/175
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