Subtract 42/32 from 28/72
1st number: 28/72, 2nd number: 1 10/32
28/72 - 42/32 is -133/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
28/72 = 28 × 4/72 × 4 = 112/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
42/32 = 42 × 9/32 × 9 = 378/288 - Subtract the two like fractions:
112/288 - 378/288 = 112 - 378/288 = -266/288 - After reducing the fraction, the answer is -133/144
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