Add 63/90 and 12/5
1st number: 63/90, 2nd number: 2 2/5
63/90 + 12/5 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
12/5 = 12 × 18/5 × 18 = 216/90 - Add the two like fractions:
63/90 + 216/90 = 63 + 216/90 = 279/90 - 279/90 simplified gives 31/10
- So, 63/90 + 12/5 = 31/10
In mixed form: 31/10
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