Add 63/84 and 40/30
1st number: 63/84, 2nd number: 1 10/30
63/84 + 40/30 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 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 30 × 14 = 420,
40/30 = 40 × 14/30 × 14 = 560/420 - Add the two like fractions:
315/420 + 560/420 = 315 + 560/420 = 875/420 - 875/420 simplified gives 25/12
- So, 63/84 + 40/30 = 25/12
In mixed form: 21/12
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