Add 70/18 and 4/63
1st number: 3 16/18, 2nd number: 4/63
70/18 + 4/63 is 83/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 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 63 × 2 = 126,
4/63 = 4 × 2/63 × 2 = 8/126 - Add the two like fractions:
490/126 + 8/126 = 490 + 8/126 = 498/126 - 498/126 simplified gives 83/21
- So, 70/18 + 4/63 = 83/21
In mixed form: 320/21
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