Subtract 4/20 from 28/32
28/32 - 4/20 is 27/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
28/32 = 28 × 5/32 × 5 = 140/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
4/20 = 4 × 8/20 × 8 = 32/160 - Subtract the two like fractions:
140/160 - 32/160 = 140 - 32/160 = 108/160 - After reducing the fraction, the answer is 27/40
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