Subtract 15/80 from 63/30
1st number: 2 3/30, 2nd number: 15/80
63/30 - 15/80 is 153/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
63/30 = 63 × 8/30 × 8 = 504/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Subtract the two like fractions:
504/240 - 45/240 = 504 - 45/240 = 459/240 - After reducing the fraction, the answer is 153/80
- In mixed form: 173/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30-30/80 63/60-15/80 63/30-45/80 63/90-15/80 63/30-75/80