Add 70/20 and 28/63
1st number: 3 10/20, 2nd number: 28/63
70/20 + 28/63 is 71/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
70/20 = 70 × 63/20 × 63 = 4410/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
28/63 = 28 × 20/63 × 20 = 560/1260 - Add the two like fractions:
4410/1260 + 560/1260 = 4410 + 560/1260 = 4970/1260 - 4970/1260 simplified gives 71/18
- So, 70/20 + 28/63 = 71/18
In mixed form: 317/18
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