Subtract 70/16 from 18/10
1st number: 1 8/10, 2nd number: 4 6/16
18/10 - 70/16 is -103/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
18/10 = 18 × 8/10 × 8 = 144/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Subtract the two like fractions:
144/80 - 350/80 = 144 - 350/80 = -206/80 - After reducing the fraction, the answer is -103/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10-70/16 18/20-70/16 18/10-70/32 54/10-70/16 18/30-70/16 18/10-70/48 90/10-70/16 18/50-70/16 18/10-70/80 18/70-70/16