Subtract 9/70 from 28/32
28/32 - 9/70 is 209/280.
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,
28/32 = 28 × 35/32 × 35 = 980/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
9/70 = 9 × 16/70 × 16 = 144/1120 - Subtract the two like fractions:
980/1120 - 144/1120 = 980 - 144/1120 = 836/1120 - After reducing the fraction, the answer is 209/280
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