Subtract 21/24 from 72/70
1st number: 1 2/70, 2nd number: 21/24
72/70 - 21/24 is 43/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
72/70 = 72 × 12/70 × 12 = 864/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
21/24 = 21 × 35/24 × 35 = 735/840 - Subtract the two like fractions:
864/840 - 735/840 = 864 - 735/840 = 129/840 - After reducing the fraction, the answer is 43/280
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