Subtract 24/49 from 45/70
45/70 - 24/49 is 15/98.
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,
45/70 = 45 × 7/70 × 7 = 315/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
24/49 = 24 × 10/49 × 10 = 240/490 - Subtract the two like fractions:
315/490 - 240/490 = 315 - 240/490 = 75/490 - After reducing the fraction, the answer is 15/98
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