Add 63/84 and 20/35
63/84 + 20/35 is 37/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 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 35 × 12 = 420,
20/35 = 20 × 12/35 × 12 = 240/420 - Add the two like fractions:
315/420 + 240/420 = 315 + 240/420 = 555/420 - 555/420 simplified gives 37/28
- So, 63/84 + 20/35 = 37/28
In mixed form: 19/28
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