Subtract 10/45 from 2/80
2/80 - 10/45 is -71/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
2/80 = 2 × 9/80 × 9 = 18/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
10/45 = 10 × 16/45 × 16 = 160/720 - Subtract the two like fractions:
18/720 - 160/720 = 18 - 160/720 = -142/720 - After reducing the fraction, the answer is -71/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80-10/45 2/80-20/45 2/80-10/90 6/80-10/45 2/80-30/45 10/80-10/45 2/80-50/45 14/80-10/45 2/80-70/45