Add 90/18 and 40/7
1st number: 5 0/18, 2nd number: 5 5/7
90/18 + 40/7 is 75/7.
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,
40/7 = 40 × 18/7 × 18 = 720/126 - Add the two like fractions:
630/126 + 720/126 = 630 + 720/126 = 1350/126 - 1350/126 simplified gives 75/7
- So, 90/18 + 40/7 = 75/7
In mixed form: 105/7
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