Subtract 54/70 from 81/32
1st number: 2 17/32, 2nd number: 54/70
81/32 - 54/70 is 1971/1120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
81/32 = 81 × 35/32 × 35 = 2835/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
54/70 = 54 × 16/70 × 16 = 864/1120 - Subtract the two like fractions:
2835/1120 - 864/1120 = 2835 - 864/1120 = 1971/1120 - In mixed form: 1851/1120
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