Add 15/25 and 42/56
15/25 + 42/56 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 25 × 56 = 1400,
15/25 = 15 × 56/25 × 56 = 840/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
42/56 = 42 × 25/56 × 25 = 1050/1400 - Add the two like fractions:
840/1400 + 1050/1400 = 840 + 1050/1400 = 1890/1400 - 1890/1400 simplified gives 27/20
- So, 15/25 + 42/56 = 27/20
In mixed form: 17/20
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