Add 15/2 and 70/63
1st number: 7 1/2, 2nd number: 1 7/63
15/2 + 70/63 is 155/18.
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,
15/2 = 15 × 63/2 × 63 = 945/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126 - Add the two like fractions:
945/126 + 140/126 = 945 + 140/126 = 1085/126 - 1085/126 simplified gives 155/18
- So, 15/2 + 70/63 = 155/18
In mixed form: 811/18
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