Add 20/14 and 60/90
1st number: 1 6/14, 2nd number: 60/90
20/14 + 60/90 is 44/21.
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,
20/14 = 20 × 45/14 × 45 = 900/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
60/90 = 60 × 7/90 × 7 = 420/630 - Add the two like fractions:
900/630 + 420/630 = 900 + 420/630 = 1320/630 - 1320/630 simplified gives 44/21
- So, 20/14 + 60/90 = 44/21
In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+60/90 20/28+60/90 60/14+60/90 20/42+60/90 20/70+60/90 20/98+60/90