Subtract 21/45 from 49/2
1st number: 24 1/2, 2nd number: 21/45
49/2 - 21/45 is 721/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
49/2 = 49 × 45/2 × 45 = 2205/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
21/45 = 21 × 2/45 × 2 = 42/90 - Subtract the two like fractions:
2205/90 - 42/90 = 2205 - 42/90 = 2163/90 - After reducing the fraction, the answer is 721/30
- In mixed form: 241/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/2-21/45 49/2-42/45 49/4-21/45 49/2-21/90 49/2-63/45 49/6-21/45 49/10-21/45 49/14-21/45