Add 15/90 and 81/64
1st number: 15/90, 2nd number: 1 17/64
15/90 + 81/64 is 275/192.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 90 × 32 = 2880,
15/90 = 15 × 32/90 × 32 = 480/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
81/64 = 81 × 45/64 × 45 = 3645/2880 - Add the two like fractions:
480/2880 + 3645/2880 = 480 + 3645/2880 = 4125/2880 - 4125/2880 simplified gives 275/192
- So, 15/90 + 81/64 = 275/192
In mixed form: 183/192
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