Add 42/63 and 72/60
1st number: 42/63, 2nd number: 1 12/60
42/63 + 72/60 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
42/63 = 42 × 20/63 × 20 = 840/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
72/60 = 72 × 21/60 × 21 = 1512/1260 - Add the two like fractions:
840/1260 + 1512/1260 = 840 + 1512/1260 = 2352/1260 - 2352/1260 simplified gives 28/15
- So, 42/63 + 72/60 = 28/15
In mixed form: 113/15
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