Subtract 90/48 from 7/30
1st number: 7/30, 2nd number: 1 42/48
7/30 - 90/48 is -197/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
7/30 = 7 × 8/30 × 8 = 56/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Subtract the two like fractions:
56/240 - 450/240 = 56 - 450/240 = -394/240 - After reducing the fraction, the answer is -197/120
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