Add 90/42 and 70/36
1st number: 2 6/42, 2nd number: 1 34/36
90/42 + 70/36 is 515/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
90/42 = 90 × 6/42 × 6 = 540/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
70/36 = 70 × 7/36 × 7 = 490/252 - Add the two like fractions:
540/252 + 490/252 = 540 + 490/252 = 1030/252 - 1030/252 simplified gives 515/126
- So, 90/42 + 70/36 = 515/126
In mixed form: 411/126
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