Subtract 54/8 from 9/70
1st number: 9/70, 2nd number: 6 6/8
9/70 - 54/8 is -927/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
9/70 = 9 × 4/70 × 4 = 36/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
54/8 = 54 × 35/8 × 35 = 1890/280 - Subtract the two like fractions:
36/280 - 1890/280 = 36 - 1890/280 = -1854/280 - After reducing the fraction, the answer is -927/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70-54/8 9/70-54/16 27/70-54/8 9/70-54/24 45/70-54/8 9/70-54/40 63/70-54/8 9/70-54/56