Subtract 98/32 from 42/90
1st number: 42/90, 2nd number: 3 2/32
42/90 - 98/32 is -623/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
42/90 = 42 × 16/90 × 16 = 672/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
98/32 = 98 × 45/32 × 45 = 4410/1440 - Subtract the two like fractions:
672/1440 - 4410/1440 = 672 - 4410/1440 = -3738/1440 - After reducing the fraction, the answer is -623/240
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