Subtract 81/70 from 28/16
1st number: 1 12/16, 2nd number: 1 11/70
28/16 - 81/70 is 83/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
28/16 = 28 × 35/16 × 35 = 980/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
81/70 = 81 × 8/70 × 8 = 648/560 - Subtract the two like fractions:
980/560 - 648/560 = 980 - 648/560 = 332/560 - After reducing the fraction, the answer is 83/140
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