Add 75/14 and 20/90
1st number: 5 5/14, 2nd number: 20/90
75/14 + 20/90 is 703/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
75/14 = 75 × 45/14 × 45 = 3375/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
20/90 = 20 × 7/90 × 7 = 140/630 - Add the two like fractions:
3375/630 + 140/630 = 3375 + 140/630 = 3515/630 - 3515/630 simplified gives 703/126
- So, 75/14 + 20/90 = 703/126
In mixed form: 573/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/14+40/90 75/28+20/90 75/14+60/90 75/42+20/90 75/70+20/90 75/98+20/90