Subtract 54/10 from 84/80
1st number: 1 4/80, 2nd number: 5 4/10
84/80 - 54/10 is -87/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
54/10 = 54 × 8/10 × 8 = 432/80 - Subtract the two like fractions:
84/80 - 432/80 = 84 - 432/80 = -348/80 - After reducing the fraction, the answer is -87/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80-54/20 84/80-54/30 84/80-54/50 84/80-54/70