Subtract 18/30 from 84/2
1st number: 42 0/2, 2nd number: 18/30
84/2 - 18/30 is 207/5.
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,
18/30 = 18 × 1/30 × 1 = 18/30 - Subtract the two like fractions:
1260/30 - 18/30 = 1260 - 18/30 = 1242/30 - After reducing the fraction, the answer is 207/5
- In mixed form: 412/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-36/30 84/4-18/30 84/2-18/60 84/2-54/30 84/6-18/30 84/2-18/90 84/2-90/30 84/10-18/30 84/14-18/30