Add 27/7 and 63/90
1st number: 3 6/7, 2nd number: 63/90
27/7 + 63/90 is 319/70.
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,
27/7 = 27 × 90/7 × 90 = 2430/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Add the two like fractions:
2430/630 + 441/630 = 2430 + 441/630 = 2871/630 - 2871/630 simplified gives 319/70
- So, 27/7 + 63/90 = 319/70
In mixed form: 439/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+63/90 27/14+63/90 81/7+63/90 27/21+63/90 27/35+63/90 27/49+63/90