Subtract 63/70 from 2/3
2/3 - 63/70 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
2/3 = 2 × 70/3 × 70 = 140/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210 - Subtract the two like fractions:
140/210 - 189/210 = 140 - 189/210 = -49/210 - After reducing the fraction, the answer is -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3-63/70 2/6-63/70 6/3-63/70 2/9-63/70 10/3-63/70 2/15-63/70 14/3-63/70 2/21-63/70