Add 40/60 and 21/63
40/60 + 21/63 is 1/1.
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,
40/60 = 40 × 21/60 × 21 = 840/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
21/63 = 21 × 20/63 × 20 = 420/1260 - Add the two like fractions:
840/1260 + 420/1260 = 840 + 420/1260 = 1260/1260 - 1260/1260 simplified gives 1/1
- So, 40/60 + 21/63 = 1/1
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