Subtract 9/80 from 48/70
48/70 - 9/80 is 321/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
48/70 = 48 × 8/70 × 8 = 384/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
9/80 = 9 × 7/80 × 7 = 63/560 - Subtract the two like fractions:
384/560 - 63/560 = 384 - 63/560 = 321/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/70-9/80 48/70-18/80 48/70-27/80 48/70-45/80 48/70-63/80