Add 30/20 and 70/63
1st number: 1 10/20, 2nd number: 1 7/63
30/20 + 70/63 is 47/18.
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,
30/20 = 30 × 63/20 × 63 = 1890/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
70/63 = 70 × 20/63 × 20 = 1400/1260 - Add the two like fractions:
1890/1260 + 1400/1260 = 1890 + 1400/1260 = 3290/1260 - 3290/1260 simplified gives 47/18
- So, 30/20 + 70/63 = 47/18
In mixed form: 211/18
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