Subtract 21/8 from 40/35
1st number: 1 5/35, 2nd number: 2 5/8
40/35 - 21/8 is -83/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
40/35 = 40 × 8/35 × 8 = 320/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
21/8 = 21 × 35/8 × 35 = 735/280 - Subtract the two like fractions:
320/280 - 735/280 = 320 - 735/280 = -415/280 - After reducing the fraction, the answer is -83/56
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