Subtract 4/70 from 72/75
72/75 - 4/70 is 158/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
72/75 = 72 × 14/75 × 14 = 1008/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
4/70 = 4 × 15/70 × 15 = 60/1050 - Subtract the two like fractions:
1008/1050 - 60/1050 = 1008 - 60/1050 = 948/1050 - After reducing the fraction, the answer is 158/175
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