Subtract 81/32 from 1/70
1st number: 1/70, 2nd number: 2 17/32
1/70 - 81/32 is -2819/1120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
1/70 = 1 × 16/70 × 16 = 16/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
81/32 = 81 × 35/32 × 35 = 2835/1120 - Subtract the two like fractions:
16/1120 - 2835/1120 = 16 - 2835/1120 = -2819/1120
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