Add 12/63 and 54/20
1st number: 12/63, 2nd number: 2 14/20
12/63 + 54/20 is 607/210.
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,
12/63 = 12 × 20/63 × 20 = 240/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
54/20 = 54 × 63/20 × 63 = 3402/1260 - Add the two like fractions:
240/1260 + 3402/1260 = 240 + 3402/1260 = 3642/1260 - 3642/1260 simplified gives 607/210
- So, 12/63 + 54/20 = 607/210
In mixed form: 2187/210
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