Subtract 9/5 from 48/72
1st number: 48/72, 2nd number: 1 4/5
48/72 - 9/5 is -17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
48/72 = 48 × 5/72 × 5 = 240/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
9/5 = 9 × 72/5 × 72 = 648/360 - Subtract the two like fractions:
240/360 - 648/360 = 240 - 648/360 = -408/360 - After reducing the fraction, the answer is -17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/72-9/5 48/72-18/5 48/72-9/10 48/72-27/5 48/72-9/15 48/72-45/5 48/72-9/25 48/72-63/5 48/72-9/35