Subtract 12/90 from 28/32
28/32 - 12/90 is 89/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
28/32 = 28 × 45/32 × 45 = 1260/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
12/90 = 12 × 16/90 × 16 = 192/1440 - Subtract the two like fractions:
1260/1440 - 192/1440 = 1260 - 192/1440 = 1068/1440 - After reducing the fraction, the answer is 89/120
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