Subtract 45/49 from 21/50
21/50 - 45/49 is -1221/2450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 49 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 50 × 49 = 2450,
21/50 = 21 × 49/50 × 49 = 1029/2450 - Likewise, for the 2nd fraction, since 49 × 50 = 2450,
45/49 = 45 × 50/49 × 50 = 2250/2450 - Subtract the two like fractions:
1029/2450 - 2250/2450 = 1029 - 2250/2450 = -1221/2450
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