Subtract 70/48 from 8/45
1st number: 8/45, 2nd number: 1 22/48
8/45 - 70/48 is -461/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
8/45 = 8 × 16/45 × 16 = 128/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
70/48 = 70 × 15/48 × 15 = 1050/720 - Subtract the two like fractions:
128/720 - 1050/720 = 128 - 1050/720 = -922/720 - After reducing the fraction, the answer is -461/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45-70/48 8/90-70/48 8/45-70/96 24/45-70/48 40/45-70/48 56/45-70/48