Subtract 42/16 from 40/30
1st number: 1 10/30, 2nd number: 2 10/16
40/30 - 42/16 is -31/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
40/30 = 40 × 8/30 × 8 = 320/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
42/16 = 42 × 15/16 × 15 = 630/240 - Subtract the two like fractions:
320/240 - 630/240 = 320 - 630/240 = -310/240 - After reducing the fraction, the answer is -31/24
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