Add 36/7 and 60/90
1st number: 5 1/7, 2nd number: 60/90
36/7 + 60/90 is 122/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
36/7 = 36 × 90/7 × 90 = 3240/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
60/90 = 60 × 7/90 × 7 = 420/630 - Add the two like fractions:
3240/630 + 420/630 = 3240 + 420/630 = 3660/630 - 3660/630 simplified gives 122/21
- So, 36/7 + 60/90 = 122/21
In mixed form: 517/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7+60/90 36/14+60/90 36/21+60/90 36/35+60/90 36/49+60/90