Add 90/12 and 8/42
1st number: 7 6/12, 2nd number: 8/42
90/12 + 8/42 is 323/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
90/12 = 90 × 7/12 × 7 = 630/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84 - Add the two like fractions:
630/84 + 16/84 = 630 + 16/84 = 646/84 - 646/84 simplified gives 323/42
- So, 90/12 + 8/42 = 323/42
In mixed form: 729/42
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