Subtract 30/50 from 9/8
1st number: 1 1/8, 2nd number: 30/50
9/8 - 30/50 is 21/40.
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,
9/8 = 9 × 25/8 × 25 = 225/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
30/50 = 30 × 4/50 × 4 = 120/200 - Subtract the two like fractions:
225/200 - 120/200 = 225 - 120/200 = 105/200 - After reducing the fraction, the answer is 21/40
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