Subtract 70/27 from 60/63
1st number: 60/63, 2nd number: 2 16/27
60/63 - 70/27 is -310/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
60/63 = 60 × 3/63 × 3 = 180/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
70/27 = 70 × 7/27 × 7 = 490/189 - Subtract the two like fractions:
180/189 - 490/189 = 180 - 490/189 = -310/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63-70/54 60/63-70/81