Add 7/2 and 70/63
1st number: 3 1/2, 2nd number: 1 7/63
7/2 + 70/63 is 83/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
7/2 = 7 × 63/2 × 63 = 441/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126 - Add the two like fractions:
441/126 + 140/126 = 441 + 140/126 = 581/126 - 581/126 simplified gives 83/18
- So, 7/2 + 70/63 = 83/18
In mixed form: 411/18
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