Subtract 7/30 from 70/48
1st number: 1 22/48, 2nd number: 7/30
70/48 - 7/30 is 49/40.
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,
70/48 = 70 × 5/48 × 5 = 350/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
7/30 = 7 × 8/30 × 8 = 56/240 - Subtract the two like fractions:
350/240 - 56/240 = 350 - 56/240 = 294/240 - After reducing the fraction, the answer is 49/40
- In mixed form: 19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/48-14/30 70/96-7/30 70/48-7/60 70/48-21/30 70/48-7/90 70/48-35/30 70/48-49/30