Subtract 70/54 from 48/90
1st number: 48/90, 2nd number: 1 16/54
48/90 - 70/54 is -103/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
48/90 = 48 × 3/90 × 3 = 144/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
70/54 = 70 × 5/54 × 5 = 350/270 - Subtract the two like fractions:
144/270 - 350/270 = 144 - 350/270 = -206/270 - After reducing the fraction, the answer is -103/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90-70/54