Add 30/63 and 18/20
30/63 + 18/20 is 289/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
30/63 = 30 × 20/63 × 20 = 600/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
18/20 = 18 × 63/20 × 63 = 1134/1260 - Add the two like fractions:
600/1260 + 1134/1260 = 600 + 1134/1260 = 1734/1260 - 1734/1260 simplified gives 289/210
- So, 30/63 + 18/20 = 289/210
In mixed form: 179/210
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