Add 72/18 and 8/7
1st number: 4 0/18, 2nd number: 1 1/7
72/18 + 8/7 is 36/7.
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,
72/18 = 72 × 7/18 × 7 = 504/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
8/7 = 8 × 18/7 × 18 = 144/126 - Add the two like fractions:
504/126 + 144/126 = 504 + 144/126 = 648/126 - 648/126 simplified gives 36/7
- So, 72/18 + 8/7 = 36/7
In mixed form: 51/7
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