Subtract 48/72 from 81/70
1st number: 1 11/70, 2nd number: 48/72
81/70 - 48/72 is 103/210.
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,
81/70 = 81 × 36/70 × 36 = 2916/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
48/72 = 48 × 35/72 × 35 = 1680/2520 - Subtract the two like fractions:
2916/2520 - 1680/2520 = 2916 - 1680/2520 = 1236/2520 - After reducing the fraction, the answer is 103/210
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