Add 90/42 and 36/63
1st number: 2 6/42, 2nd number: 36/63
90/42 + 36/63 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 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 63 × 2 = 126,
36/63 = 36 × 2/63 × 2 = 72/126 - Add the two like fractions:
270/126 + 72/126 = 270 + 72/126 = 342/126 - 342/126 simplified gives 19/7
- So, 90/42 + 36/63 = 19/7
In mixed form: 25/7
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