Add 21/60 and 1/63
21/60 + 1/63 is 461/1260.
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,
21/60 = 21 × 21/60 × 21 = 441/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
1/63 = 1 × 20/63 × 20 = 20/1260 - Add the two like fractions:
441/1260 + 20/1260 = 441 + 20/1260 = 461/1260 - So, 21/60 + 1/63 = 461/1260
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