Add 42/60 and 25/63
42/60 + 25/63 is 691/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
42/60 = 42 × 21/60 × 21 = 882/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
25/63 = 25 × 20/63 × 20 = 500/1260 - Add the two like fractions:
882/1260 + 500/1260 = 882 + 500/1260 = 1382/1260 - 1382/1260 simplified gives 691/630
- So, 42/60 + 25/63 = 691/630
In mixed form: 161/630
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