Subtract 18/49 from 72/70
1st number: 1 2/70, 2nd number: 18/49
72/70 - 18/49 is 162/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
72/70 = 72 × 7/70 × 7 = 504/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
18/49 = 18 × 10/49 × 10 = 180/490 - Subtract the two like fractions:
504/490 - 180/490 = 504 - 180/490 = 324/490 - After reducing the fraction, the answer is 162/245
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