Add 27/63 and 40/60
27/63 + 40/60 is 23/21.
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,
27/63 = 27 × 20/63 × 20 = 540/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
40/60 = 40 × 21/60 × 21 = 840/1260 - Add the two like fractions:
540/1260 + 840/1260 = 540 + 840/1260 = 1380/1260 - 1380/1260 simplified gives 23/21
- So, 27/63 + 40/60 = 23/21
In mixed form: 12/21
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