Add 21/50 and 30/56
21/50 + 30/56 is 669/700.
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,
30/56 = 30 × 25/56 × 25 = 750/1400 - Add the two like fractions:
588/1400 + 750/1400 = 588 + 750/1400 = 1338/1400 - 1338/1400 simplified gives 669/700
- So, 21/50 + 30/56 = 669/700
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