Subtract 42/9 from 90/48
1st number: 1 42/48, 2nd number: 4 6/9
90/48 - 42/9 is -67/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
90/48 = 90 × 3/48 × 3 = 270/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
42/9 = 42 × 16/9 × 16 = 672/144 - Subtract the two like fractions:
270/144 - 672/144 = 270 - 672/144 = -402/144 - After reducing the fraction, the answer is -67/24
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