Subtract 12/70 from 21/2
1st number: 10 1/2, 2nd number: 12/70
21/2 - 12/70 is 723/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
21/2 = 21 × 35/2 × 35 = 735/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Subtract the two like fractions:
735/70 - 12/70 = 735 - 12/70 = 723/70 - In mixed form: 1023/70
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