Subtract 63/70 from 9/48
9/48 - 63/70 is -57/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
9/48 = 9 × 35/48 × 35 = 315/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
63/70 = 63 × 24/70 × 24 = 1512/1680 - Subtract the two like fractions:
315/1680 - 1512/1680 = 315 - 1512/1680 = -1197/1680 - After reducing the fraction, the answer is -57/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/48-63/70 9/96-63/70 27/48-63/70 45/48-63/70 63/48-63/70