Add 90/54 and 8/42
1st number: 1 36/54, 2nd number: 8/42
90/54 + 8/42 is 13/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
90/54 = 90 × 7/54 × 7 = 630/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
8/42 = 8 × 9/42 × 9 = 72/378 - Add the two like fractions:
630/378 + 72/378 = 630 + 72/378 = 702/378 - 702/378 simplified gives 13/7
- So, 90/54 + 8/42 = 13/7
In mixed form: 16/7
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