Subtract 80/45 from 42/24
1st number: 1 18/24, 2nd number: 1 35/45
42/24 - 80/45 is -1/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
42/24 = 42 × 15/24 × 15 = 630/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
80/45 = 80 × 8/45 × 8 = 640/360 - Subtract the two like fractions:
630/360 - 640/360 = 630 - 640/360 = -10/360 - After reducing the fraction, the answer is -1/36
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