Subtract 81/64 from 1/70
1st number: 1/70, 2nd number: 1 17/64
1/70 - 81/64 is -2803/2240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
1/70 = 1 × 32/70 × 32 = 32/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
81/64 = 81 × 35/64 × 35 = 2835/2240 - Subtract the two like fractions:
32/2240 - 2835/2240 = 32 - 2835/2240 = -2803/2240
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