Add 15/50 and 21/56
15/50 + 21/56 is 27/40.
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,
15/50 = 15 × 28/50 × 28 = 420/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
21/56 = 21 × 25/56 × 25 = 525/1400 - Add the two like fractions:
420/1400 + 525/1400 = 420 + 525/1400 = 945/1400 - 945/1400 simplified gives 27/40
- So, 15/50 + 21/56 = 27/40
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