Subtract 1/35 from 21/70
21/70 - 1/35 is 19/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
1/35 = 1 × 2/35 × 2 = 2/70 - Subtract the two like fractions:
21/70 - 2/70 = 21 - 2/70 = 19/70
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