Subtract 18/16 from 24/30
1st number: 24/30, 2nd number: 1 2/16
24/30 - 18/16 is -13/40.
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,
24/30 = 24 × 8/30 × 8 = 192/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Subtract the two like fractions:
192/240 - 270/240 = 192 - 270/240 = -78/240 - After reducing the fraction, the answer is -13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30-18/16 24/30-36/16 24/60-18/16 24/30-18/32 72/30-18/16 24/30-54/16 24/90-18/16 24/30-18/48 24/30-90/16 24/30-18/80