Subtract 15/72 from 54/10
1st number: 5 4/10, 2nd number: 15/72
54/10 - 15/72 is 623/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
54/10 = 54 × 36/10 × 36 = 1944/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Subtract the two like fractions:
1944/360 - 75/360 = 1944 - 75/360 = 1869/360 - After reducing the fraction, the answer is 623/120
- In mixed form: 523/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-30/72 54/20-15/72 54/10-45/72 54/30-15/72 54/10-75/72 54/50-15/72 54/70-15/72