Subtract 42/70 from 90/24
1st number: 3 18/24, 2nd number: 42/70
90/24 - 42/70 is 63/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
90/24 = 90 × 35/24 × 35 = 3150/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
42/70 = 42 × 12/70 × 12 = 504/840 - Subtract the two like fractions:
3150/840 - 504/840 = 3150 - 504/840 = 2646/840 - After reducing the fraction, the answer is 63/20
- In mixed form: 33/20
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