Add 70/18 and 72/7
1st number: 3 16/18, 2nd number: 10 2/7
70/18 + 72/7 is 893/63.
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,
70/18 = 70 × 7/18 × 7 = 490/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
72/7 = 72 × 18/7 × 18 = 1296/126 - Add the two like fractions:
490/126 + 1296/126 = 490 + 1296/126 = 1786/126 - 1786/126 simplified gives 893/63
- So, 70/18 + 72/7 = 893/63
In mixed form: 1411/63
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