Subtract 28/16 from 21/35
1st number: 21/35, 2nd number: 1 12/16
21/35 - 28/16 is -23/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
21/35 = 21 × 16/35 × 16 = 336/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
28/16 = 28 × 35/16 × 35 = 980/560 - Subtract the two like fractions:
336/560 - 980/560 = 336 - 980/560 = -644/560 - After reducing the fraction, the answer is -23/20
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