Add 40/64 and 60/90
40/64 + 60/90 is 31/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 90 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 64 × 45 = 2880,
40/64 = 40 × 45/64 × 45 = 1800/2880 - Likewise, for the 2nd fraction, since 90 × 32 = 2880,
60/90 = 60 × 32/90 × 32 = 1920/2880 - Add the two like fractions:
1800/2880 + 1920/2880 = 1800 + 1920/2880 = 3720/2880 - 3720/2880 simplified gives 31/24
- So, 40/64 + 60/90 = 31/24
In mixed form: 17/24
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