Subtract 21/70 from 72/24
1st number: 3 0/24, 2nd number: 21/70
72/24 - 21/70 is 27/10.
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,
72/24 = 72 × 35/24 × 35 = 2520/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
21/70 = 21 × 12/70 × 12 = 252/840 - Subtract the two like fractions:
2520/840 - 252/840 = 2520 - 252/840 = 2268/840 - After reducing the fraction, the answer is 27/10
- In mixed form: 27/10
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