Add 42/56 and 15/50
42/56 + 15/50 is 21/20.
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,
42/56 = 42 × 25/56 × 25 = 1050/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
15/50 = 15 × 28/50 × 28 = 420/1400 - Add the two like fractions:
1050/1400 + 420/1400 = 1050 + 420/1400 = 1470/1400 - 1470/1400 simplified gives 21/20
- So, 42/56 + 15/50 = 21/20
In mixed form: 11/20
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