Add 63/15 and 90/12
1st number: 4 3/15, 2nd number: 7 6/12
63/15 + 90/12 is 117/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
63/15 = 63 × 4/15 × 4 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Add the two like fractions:
252/60 + 450/60 = 252 + 450/60 = 702/60 - 702/60 simplified gives 117/10
- So, 63/15 + 90/12 = 117/10
In mixed form: 117/10
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