Subtract 48/9 from 24/21
1st number: 1 3/21, 2nd number: 5 3/9
24/21 - 48/9 is -88/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
24/21 = 24 × 3/21 × 3 = 72/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
48/9 = 48 × 7/9 × 7 = 336/63 - Subtract the two like fractions:
72/63 - 336/63 = 72 - 336/63 = -264/63 - After reducing the fraction, the answer is -88/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21-48/9 24/21-96/9 24/42-48/9 24/21-48/18 72/21-48/9 24/63-48/9 24/21-48/27 24/21-48/45 24/21-48/63