Subtract 18/16 from 2/30
1st number: 2/30, 2nd number: 1 2/16
2/30 - 18/16 is -127/120.
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,
2/30 = 2 × 8/30 × 8 = 16/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Subtract the two like fractions:
16/240 - 270/240 = 16 - 270/240 = -254/240 - After reducing the fraction, the answer is -127/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-18/16 2/30-36/16 2/60-18/16 2/30-18/32 6/30-18/16 2/30-54/16 2/90-18/16 2/30-18/48 10/30-18/16 2/30-90/16 2/30-18/80 14/30-18/16