Subtract 28/32 from 21/10
1st number: 2 1/10, 2nd number: 28/32
21/10 - 28/32 is 49/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 10 × 16 = 160,
21/10 = 21 × 16/10 × 16 = 336/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
28/32 = 28 × 5/32 × 5 = 140/160 - Subtract the two like fractions:
336/160 - 140/160 = 336 - 140/160 = 196/160 - After reducing the fraction, the answer is 49/40
- In mixed form: 19/40
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