Add 20/63 and 45/4
1st number: 20/63, 2nd number: 11 1/4
20/63 + 45/4 is 2915/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
45/4 = 45 × 63/4 × 63 = 2835/252 - Add the two like fractions:
80/252 + 2835/252 = 80 + 2835/252 = 2915/252 - So, 20/63 + 45/4 = 2915/252
In mixed form: 11143/252
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