Subtract 36/64 from 70/20
1st number: 3 10/20, 2nd number: 36/64
70/20 - 36/64 is 47/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
70/20 = 70 × 16/20 × 16 = 1120/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
36/64 = 36 × 5/64 × 5 = 180/320 - Subtract the two like fractions:
1120/320 - 180/320 = 1120 - 180/320 = 940/320 - After reducing the fraction, the answer is 47/16
- In mixed form: 215/16
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