Subtract 75/70 from 18/10
1st number: 1 8/10, 2nd number: 1 5/70
18/10 - 75/70 is 51/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
18/10 = 18 × 7/10 × 7 = 126/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Subtract the two like fractions:
126/70 - 75/70 = 126 - 75/70 = 51/70
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