Subtract 9/90 from 48/84
48/84 - 9/90 is 33/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
48/84 = 48 × 15/84 × 15 = 720/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
9/90 = 9 × 14/90 × 14 = 126/1260 - Subtract the two like fractions:
720/1260 - 126/1260 = 720 - 126/1260 = 594/1260 - After reducing the fraction, the answer is 33/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84-9/90 48/84-18/90 48/84-27/90 48/84-45/90 48/84-63/90