Subtract 7/10 from 42/2
1st number: 21 0/2, 2nd number: 7/10
422 - 710 is 20310.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
422 = 42 × 52 × 5 = 21010 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
710 = 7 × 110 × 1 = 710 - Subtract the two like fractions:
21010 - 710 = 210 - 710 = 20310 - In mixed form: 20310
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