Add 42/84 and 63/7
1st number: 42/84, 2nd number: 9 0/7
42/84 + 63/7 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
63/7 = 63 × 12/7 × 12 = 756/84 - Add the two like fractions:
42/84 + 756/84 = 42 + 756/84 = 798/84 - 798/84 simplified gives 19/2
- So, 42/84 + 63/7 = 19/2
In mixed form: 91/2
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