Subtract 18/40 from 70/63
1st number: 1 7/63, 2nd number: 18/40
70/63 - 18/40 is 119/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
70/63 = 70 × 40/63 × 40 = 2800/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
18/40 = 18 × 63/40 × 63 = 1134/2520 - Subtract the two like fractions:
2800/2520 - 1134/2520 = 2800 - 1134/2520 = 1666/2520 - After reducing the fraction, the answer is 119/180
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