Subtract 42/50 from 21/8
1st number: 2 5/8, 2nd number: 42/50
21/8 - 42/50 is 357/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
21/8 = 21 × 25/8 × 25 = 525/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
42/50 = 42 × 4/50 × 4 = 168/200 - Subtract the two like fractions:
525/200 - 168/200 = 525 - 168/200 = 357/200 - In mixed form: 1157/200
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