Subtract 24/70 from 40/45
40/45 - 24/70 is 172/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
40/45 = 40 × 14/45 × 14 = 560/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Subtract the two like fractions:
560/630 - 216/630 = 560 - 216/630 = 344/630 - After reducing the fraction, the answer is 172/315
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