Add 20/5 and 70/63
1st number: 4 0/5, 2nd number: 1 7/63
20/5 + 70/63 is 46/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
20/5 = 20 × 63/5 × 63 = 1260/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Add the two like fractions:
1260/315 + 350/315 = 1260 + 350/315 = 1610/315 - 1610/315 simplified gives 46/9
- So, 20/5 + 70/63 = 46/9
In mixed form: 51/9
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