Add 90/56 and 7/84
1st number: 1 34/56, 2nd number: 7/84
90/56 + 7/84 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
7/84 = 7 × 2/84 × 2 = 14/168 - Add the two like fractions:
270/168 + 14/168 = 270 + 14/168 = 284/168 - 284/168 simplified gives 71/42
- So, 90/56 + 7/84 = 71/42
In mixed form: 129/42
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