Subtract 20/32 from 3/70
3/70 - 20/32 is -163/280.
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,
3/70 = 3 × 16/70 × 16 = 48/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
20/32 = 20 × 35/32 × 35 = 700/1120 - Subtract the two like fractions:
48/1120 - 700/1120 = 48 - 700/1120 = -652/1120 - After reducing the fraction, the answer is -163/280
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