Subtract 45/30 from 84/2
1st number: 42 0/2, 2nd number: 1 15/30
84/2 - 45/30 is 81/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
84/2 = 84 × 15/2 × 15 = 1260/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Subtract the two like fractions:
1260/30 - 45/30 = 1260 - 45/30 = 1215/30 - After reducing the fraction, the answer is 81/2
- In mixed form: 401/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-90/30 84/4-45/30 84/2-45/60 84/6-45/30 84/2-45/90 84/10-45/30 84/14-45/30