Subtract 10/30 from 20/16
1st number: 1 4/16, 2nd number: 10/30
20/16 - 10/30 is 11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
10/30 = 10 × 8/30 × 8 = 80/240 - Subtract the two like fractions:
300/240 - 80/240 = 300 - 80/240 = 220/240 - After reducing the fraction, the answer is 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16-10/30 20/16-20/30 20/32-10/30 20/16-10/60 60/16-10/30 20/48-10/30 20/16-10/90 20/16-50/30 20/80-10/30 20/16-70/30