Add 12/63 and 90/20
1st number: 12/63, 2nd number: 4 10/20
12/63 + 90/20 is 197/42.
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,
12/63 = 12 × 20/63 × 20 = 240/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
90/20 = 90 × 63/20 × 63 = 5670/1260 - Add the two like fractions:
240/1260 + 5670/1260 = 240 + 5670/1260 = 5910/1260 - 5910/1260 simplified gives 197/42
- So, 12/63 + 90/20 = 197/42
In mixed form: 429/42
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