Add 42/56 and 18/60
42/56 + 18/60 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
18/60 = 18 × 14/60 × 14 = 252/840 - Add the two like fractions:
630/840 + 252/840 = 630 + 252/840 = 882/840 - 882/840 simplified gives 21/20
- So, 42/56 + 18/60 = 21/20
In mixed form: 11/20
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