Subtract 20/70 from 2/16
2/16 - 20/70 is -9/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
2/16 = 2 × 35/16 × 35 = 70/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
20/70 = 20 × 8/70 × 8 = 160/560 - Subtract the two like fractions:
70/560 - 160/560 = 70 - 160/560 = -90/560 - After reducing the fraction, the answer is -9/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/16-20/70 2/16-40/70 2/32-20/70 6/16-20/70 2/16-60/70 2/48-20/70 10/16-20/70 2/80-20/70 14/16-20/70