Subtract 50/21 from 45/2
1st number: 22 1/2, 2nd number: 2 8/21
45/2 - 50/21 is 845/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
45/2 = 45 × 21/2 × 21 = 945/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
50/21 = 50 × 2/21 × 2 = 100/42 - Subtract the two like fractions:
945/42 - 100/42 = 945 - 100/42 = 845/42 - In mixed form: 205/42
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