Subtract 21/50 from 45/28
1st number: 1 17/28, 2nd number: 21/50
45/28 - 21/50 is 831/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
45/28 = 45 × 25/28 × 25 = 1125/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
21/50 = 21 × 14/50 × 14 = 294/700 - Subtract the two like fractions:
1125/700 - 294/700 = 1125 - 294/700 = 831/700 - In mixed form: 1131/700
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