Add 90/14 and 12/18
1st number: 6 6/14, 2nd number: 12/18
90/14 + 12/18 is 149/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
90/14 = 90 × 9/14 × 9 = 810/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126 - Add the two like fractions:
810/126 + 84/126 = 810 + 84/126 = 894/126 - 894/126 simplified gives 149/21
- So, 90/14 + 12/18 = 149/21
In mixed form: 72/21
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