Add 5/7 and 72/18
1st number: 5/7, 2nd number: 4 0/18
5/7 + 72/18 is 33/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
5/7 = 5 × 18/7 × 18 = 90/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126 - Add the two like fractions:
90/126 + 504/126 = 90 + 504/126 = 594/126 - 594/126 simplified gives 33/7
- So, 5/7 + 72/18 = 33/7
In mixed form: 45/7
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