Add 70/63 and 21/18
1st number: 1 7/63, 2nd number: 1 3/18
70/63 + 21/18 is 41/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
21/18 = 21 × 7/18 × 7 = 147/126 - Add the two like fractions:
140/126 + 147/126 = 140 + 147/126 = 287/126 - 287/126 simplified gives 41/18
- So, 70/63 + 21/18 = 41/18
In mixed form: 25/18
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