Add 25/18 and 70/63
1st number: 1 7/18, 2nd number: 1 7/63
25/18 + 70/63 is 5/2.
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,
25/18 = 25 × 7/18 × 7 = 175/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126 - Add the two like fractions:
175/126 + 140/126 = 175 + 140/126 = 315/126 - 315/126 simplified gives 5/2
- So, 25/18 + 70/63 = 5/2
In mixed form: 21/2
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