Subtract 30/48 from 40/30
1st number: 1 10/30, 2nd number: 30/48
40/30 - 30/48 is 17/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
40/30 = 40 × 8/30 × 8 = 320/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
30/48 = 30 × 5/48 × 5 = 150/240 - Subtract the two like fractions:
320/240 - 150/240 = 320 - 150/240 = 170/240 - After reducing the fraction, the answer is 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-30/48 40/30-60/48 40/60-30/48 40/30-30/96 40/30-90/48 40/90-30/48