Subtract 54/3 from 49/70
1st number: 49/70, 2nd number: 18 0/3
49/70 - 54/3 is -173/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
49/70 = 49 × 3/70 × 3 = 147/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
54/3 = 54 × 70/3 × 70 = 3780/210 - Subtract the two like fractions:
147/210 - 3780/210 = 147 - 3780/210 = -3633/210 - After reducing the fraction, the answer is -173/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-54/3 49/70-54/6 49/70-54/9 49/70-54/15 49/70-54/21