Subtract 42/80 from 30/32
30/32 - 42/80 is 33/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 80 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
30/32 = 30 × 5/32 × 5 = 150/160 - Likewise, for the 2nd fraction, since 80 × 2 = 160,
42/80 = 42 × 2/80 × 2 = 84/160 - Subtract the two like fractions:
150/160 - 84/160 = 150 - 84/160 = 66/160 - After reducing the fraction, the answer is 33/80
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