Add 90/18 and 80/7
1st number: 5 0/18, 2nd number: 11 3/7
90/18 + 80/7 is 115/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 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 7 × 18 = 126,
80/7 = 80 × 18/7 × 18 = 1440/126 - Add the two like fractions:
630/126 + 1440/126 = 630 + 1440/126 = 2070/126 - 2070/126 simplified gives 115/7
- So, 90/18 + 80/7 = 115/7
In mixed form: 163/7
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