Add 90/18 and 72/14
1st number: 5 0/18, 2nd number: 5 2/14
90/18 + 72/14 is 71/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
72/14 = 72 × 9/14 × 9 = 648/126 - Add the two like fractions:
630/126 + 648/126 = 630 + 648/126 = 1278/126 - 1278/126 simplified gives 71/7
- So, 90/18 + 72/14 = 71/7
In mixed form: 101/7
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