Subtract 1/30 from 70/27
1st number: 2 16/27, 2nd number: 1/30
70/27 - 1/30 is 691/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
70/27 = 70 × 10/27 × 10 = 700/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
1/30 = 1 × 9/30 × 9 = 9/270 - Subtract the two like fractions:
700/270 - 9/270 = 700 - 9/270 = 691/270 - In mixed form: 2151/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27-2/30 70/54-1/30 70/27-1/60 70/27-3/30 70/81-1/30 70/27-1/90 70/27-5/30 70/27-7/30