Subtract 45/25 from 42/10
1st number: 4 2/10, 2nd number: 1 20/25
42/10 - 45/25 is 12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
42/10 = 42 × 5/10 × 5 = 210/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
45/25 = 45 × 2/25 × 2 = 90/50 - Subtract the two like fractions:
210/50 - 90/50 = 210 - 90/50 = 120/50 - After reducing the fraction, the answer is 12/5
- In mixed form: 22/5
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