Add 12/63 and 90/18
1st number: 12/63, 2nd number: 5 0/18
12/63 + 90/18 is 109/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
12/63 = 12 × 2/63 × 2 = 24/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - Add the two like fractions:
24/126 + 630/126 = 24 + 630/126 = 654/126 - 654/126 simplified gives 109/21
- So, 12/63 + 90/18 = 109/21
In mixed form: 54/21
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