Subtract 90/42 from 54/32
1st number: 1 22/32, 2nd number: 2 6/42
54/32 - 90/42 is -51/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
54/32 = 54 × 21/32 × 21 = 1134/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
90/42 = 90 × 16/42 × 16 = 1440/672 - Subtract the two like fractions:
1134/672 - 1440/672 = 1134 - 1440/672 = -306/672 - After reducing the fraction, the answer is -51/112
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