Subtract 1/48 from 70/40
1st number: 1 30/40, 2nd number: 1/48
70/40 - 1/48 is 83/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
70/40 = 70 × 6/40 × 6 = 420/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
1/48 = 1 × 5/48 × 5 = 5/240 - Subtract the two like fractions:
420/240 - 5/240 = 420 - 5/240 = 415/240 - After reducing the fraction, the answer is 83/48
- In mixed form: 135/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-2/48 70/80-1/48 70/40-1/96 70/40-3/48 70/40-5/48 70/40-7/48