Add 63/42 and 42/7
1st number: 1 21/42, 2nd number: 6 0/7
63/42 + 42/7 is 15/2.
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,
42/7 = 42 × 6/7 × 6 = 252/42 - Add the two like fractions:
63/42 + 252/42 = 63 + 252/42 = 315/42 - 315/42 simplified gives 15/2
- So, 63/42 + 42/7 = 15/2
In mixed form: 71/2
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