Add 90/42 and 70/9
1st number: 2 6/42, 2nd number: 7 7/9
90/42 + 70/9 is 625/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
90/42 = 90 × 3/42 × 3 = 270/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
70/9 = 70 × 14/9 × 14 = 980/126 - Add the two like fractions:
270/126 + 980/126 = 270 + 980/126 = 1250/126 - 1250/126 simplified gives 625/63
- So, 90/42 + 70/9 = 625/63
In mixed form: 958/63
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