Subtract 21/70 from 80/24
1st number: 3 8/24, 2nd number: 21/70
80/24 - 21/70 is 91/30.
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,
80/24 = 80 × 35/24 × 35 = 2800/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
21/70 = 21 × 12/70 × 12 = 252/840 - Subtract the two like fractions:
2800/840 - 252/840 = 2800 - 252/840 = 2548/840 - After reducing the fraction, the answer is 91/30
- In mixed form: 31/30
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