Subtract 70/72 from 72/70
1st number: 1 2/70, 2nd number: 70/72
72/70 - 70/72 is 71/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
72/70 = 72 × 36/70 × 36 = 2592/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
70/72 = 70 × 35/72 × 35 = 2450/2520 - Subtract the two like fractions:
2592/2520 - 2450/2520 = 2592 - 2450/2520 = 142/2520 - After reducing the fraction, the answer is 71/1260
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