Subtract 42/54 from 48/30
1st number: 1 18/30, 2nd number: 42/54
48/30 - 42/54 is 37/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
48/30 = 48 × 9/30 × 9 = 432/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Subtract the two like fractions:
432/270 - 210/270 = 432 - 210/270 = 222/270 - After reducing the fraction, the answer is 37/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/30-42/54 48/30-84/54 48/60-42/54 48/90-42/54