Subtract 3/90 from 40/48
40/48 - 3/90 is 4/5.
Steps for subtracting 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,
40/48 = 40 × 15/48 × 15 = 600/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
3/90 = 3 × 8/90 × 8 = 24/720 - Subtract the two like fractions:
600/720 - 24/720 = 600 - 24/720 = 576/720 - After reducing the fraction, the answer is 4/5
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