Add 15/48 and 81/90
15/48 + 81/90 is 97/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
15/48 = 15 × 15/48 × 15 = 225/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
81/90 = 81 × 8/90 × 8 = 648/720 - Add the two like fractions:
225/720 + 648/720 = 225 + 648/720 = 873/720 - 873/720 simplified gives 97/80
- So, 15/48 + 81/90 = 97/80
In mixed form: 117/80
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