Add 90/7 and 36/54
1st number: 12 6/7, 2nd number: 36/54
90/7 + 36/54 is 284/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
90/7 = 90 × 54/7 × 54 = 4860/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
36/54 = 36 × 7/54 × 7 = 252/378 - Add the two like fractions:
4860/378 + 252/378 = 4860 + 252/378 = 5112/378 - 5112/378 simplified gives 284/21
- So, 90/7 + 36/54 = 284/21
In mixed form: 1311/21
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