Add 35/5 and 90/42
1st number: 7 0/5, 2nd number: 2 6/42
35/5 + 90/42 is 64/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
35/5 = 35 × 42/5 × 42 = 1470/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
90/42 = 90 × 5/42 × 5 = 450/210 - Add the two like fractions:
1470/210 + 450/210 = 1470 + 450/210 = 1920/210 - 1920/210 simplified gives 64/7
- So, 35/5 + 90/42 = 64/7
In mixed form: 91/7
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