Add 63/84 and 40/60
63/84 + 40/60 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
63/84 = 63 × 5/84 × 5 = 315/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Add the two like fractions:
315/420 + 280/420 = 315 + 280/420 = 595/420 - 595/420 simplified gives 17/12
- So, 63/84 + 40/60 = 17/12
In mixed form: 15/12
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