Add 63/5 and 90/20
1st number: 12 3/5, 2nd number: 4 10/20
63/5 + 90/20 is 171/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
63/5 = 63 × 4/5 × 4 = 252/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
90/20 = 90 × 1/20 × 1 = 90/20 - Add the two like fractions:
252/20 + 90/20 = 252 + 90/20 = 342/20 - 342/20 simplified gives 171/10
- So, 63/5 + 90/20 = 171/10
In mixed form: 171/10
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