Subtract 7/30 from 30/48
30/48 - 7/30 is 47/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
30/48 = 30 × 5/48 × 5 = 150/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
7/30 = 7 × 8/30 × 8 = 56/240 - Subtract the two like fractions:
150/240 - 56/240 = 150 - 56/240 = 94/240 - After reducing the fraction, the answer is 47/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/48-7/30 30/48-14/30 30/96-7/30 30/48-7/60 90/48-7/30 30/48-21/30 30/48-7/90 30/48-35/30 30/48-49/30