Subtract 18/24 from 16/45
16/45 - 18/24 is -71/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
16/45 = 16 × 8/45 × 8 = 128/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
18/24 = 18 × 15/24 × 15 = 270/360 - Subtract the two like fractions:
128/360 - 270/360 = 128 - 270/360 = -142/360 - After reducing the fraction, the answer is -71/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/45-18/24 16/45-36/24 16/90-18/24 16/45-18/48 48/45-18/24 16/45-54/24 16/45-18/72 80/45-18/24 16/45-90/24