Add 30/63 and 90/60
1st number: 30/63, 2nd number: 1 30/60
30/63 + 90/60 is 83/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 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 60 × 21 = 1260,
90/60 = 90 × 21/60 × 21 = 1890/1260 - Add the two like fractions:
600/1260 + 1890/1260 = 600 + 1890/1260 = 2490/1260 - 2490/1260 simplified gives 83/42
- So, 30/63 + 90/60 = 83/42
In mixed form: 141/42
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