Subtract 9/16 from 20/30
20/30 - 9/16 is 5/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
20/30 = 20 × 8/30 × 8 = 160/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
9/16 = 9 × 15/16 × 15 = 135/240 - Subtract the two like fractions:
160/240 - 135/240 = 160 - 135/240 = 25/240 - After reducing the fraction, the answer is 5/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30-9/16 20/30-18/16 20/60-9/16 20/30-9/32 60/30-9/16 20/30-27/16 20/90-9/16 20/30-9/48 20/30-45/16 20/30-9/80 20/30-63/16