Subtract 2/90 from 60/21
1st number: 2 18/21, 2nd number: 2/90
60/21 - 2/90 is 893/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 21 × 30 = 630,
60/21 = 60 × 30/21 × 30 = 1800/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Subtract the two like fractions:
1800/630 - 14/630 = 1800 - 14/630 = 1786/630 - After reducing the fraction, the answer is 893/315
- In mixed form: 2263/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21-4/90 60/42-2/90 60/21-6/90 60/63-2/90 60/21-10/90 60/21-14/90