Subtract 21/50 from 50/45
1st number: 1 5/45, 2nd number: 21/50
50/45 - 21/50 is 311/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
50/45 = 50 × 10/45 × 10 = 500/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Subtract the two like fractions:
500/450 - 189/450 = 500 - 189/450 = 311/450
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