Subtract 30/10 from 45/8
1st number: 5 5/8, 2nd number: 3 0/10
45/8 - 30/10 is 21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
45/8 = 45 × 5/8 × 5 = 225/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40 - Subtract the two like fractions:
225/40 - 120/40 = 225 - 120/40 = 105/40 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
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