Subtract 21/50 from 84/10
1st number: 8 4/10, 2nd number: 21/50
84/10 - 21/50 is 399/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
84/10 = 84 × 5/10 × 5 = 420/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
21/50 = 21 × 1/50 × 1 = 21/50 - Subtract the two like fractions:
420/50 - 21/50 = 420 - 21/50 = 399/50 - In mixed form: 749/50
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