Subtract 28/20 from 70/64
1st number: 1 6/64, 2nd number: 1 8/20
70/64 - 28/20 is -49/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 20 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
70/64 = 70 × 5/64 × 5 = 350/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
28/20 = 28 × 16/20 × 16 = 448/320 - Subtract the two like fractions:
350/320 - 448/320 = 350 - 448/320 = -98/320 - After reducing the fraction, the answer is -49/160
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