Add 84/14 and 60/90
1st number: 6 0/14, 2nd number: 60/90
84/14 + 60/90 is 20/3.
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,
84/14 = 84 × 45/14 × 45 = 3780/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
60/90 = 60 × 7/90 × 7 = 420/630 - Add the two like fractions:
3780/630 + 420/630 = 3780 + 420/630 = 4200/630 - 4200/630 simplified gives 20/3
- So, 84/14 + 60/90 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+60/90 84/42+60/90 84/70+60/90 84/98+60/90