Subtract 30/50 from 18/4
1st number: 4 2/4, 2nd number: 30/50
18/4 - 30/50 is 39/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
18/4 = 18 × 25/4 × 25 = 450/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
30/50 = 30 × 2/50 × 2 = 60/100 - Subtract the two like fractions:
450/100 - 60/100 = 450 - 60/100 = 390/100 - After reducing the fraction, the answer is 39/10
- In mixed form: 39/10
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