Add 9/10 and 63/90
9/10 + 63/90 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Add the two like fractions:
81/90 + 63/90 = 81 + 63/90 = 144/90 - 144/90 simplified gives 8/5
- So, 9/10 + 63/90 = 8/5
In mixed form: 13/5
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