Subtract 70/48 from 72/70
1st number: 1 2/70, 2nd number: 1 22/48
72/70 - 70/48 is -361/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
72/70 = 72 × 24/70 × 24 = 1728/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
70/48 = 70 × 35/48 × 35 = 2450/1680 - Subtract the two like fractions:
1728/1680 - 2450/1680 = 1728 - 2450/1680 = -722/1680 - After reducing the fraction, the answer is -361/840
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