Add 42/9 and 90/42
1st number: 4 6/9, 2nd number: 2 6/42
42/9 + 90/42 is 143/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
42/9 = 42 × 14/9 × 14 = 588/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
90/42 = 90 × 3/42 × 3 = 270/126 - Add the two like fractions:
588/126 + 270/126 = 588 + 270/126 = 858/126 - 858/126 simplified gives 143/21
- So, 42/9 + 90/42 = 143/21
In mixed form: 617/21
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