Subtract 10/50 from 7/72
7/72 - 10/50 is -37/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
7/72 = 7 × 25/72 × 25 = 175/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
10/50 = 10 × 36/50 × 36 = 360/1800 - Subtract the two like fractions:
175/1800 - 360/1800 = 175 - 360/1800 = -185/1800 - After reducing the fraction, the answer is -37/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72-10/50 7/72-20/50 21/72-10/50 7/72-30/50 35/72-10/50 49/72-10/50 7/72-70/50