Add 63/42 and 15/7
1st number: 1 21/42, 2nd number: 2 1/7
63/42 + 15/7 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
15/7 = 15 × 6/7 × 6 = 90/42 - Add the two like fractions:
63/42 + 90/42 = 63 + 90/42 = 153/42 - 153/42 simplified gives 51/14
- So, 63/42 + 15/7 = 51/14
In mixed form: 39/14
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