Subtract 30/20 from 1/48
1st number: 1/48, 2nd number: 1 10/20
1/48 - 30/20 is -71/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
1/48 = 1 × 5/48 × 5 = 5/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
30/20 = 30 × 12/20 × 12 = 360/240 - Subtract the two like fractions:
5/240 - 360/240 = 5 - 360/240 = -355/240 - After reducing the fraction, the answer is -71/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/48-30/20 1/48-60/20 1/96-30/20 1/48-30/40 3/48-30/20 1/48-90/20 1/48-30/60 5/48-30/20 7/48-30/20