Add 9/14 and 63/90
9/14 + 63/90 is 47/35.
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,
9/14 = 9 × 45/14 × 45 = 405/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Add the two like fractions:
405/630 + 441/630 = 405 + 441/630 = 846/630 - 846/630 simplified gives 47/35
- So, 9/14 + 63/90 = 47/35
In mixed form: 112/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14+63/90 9/28+63/90 27/14+63/90 9/42+63/90 45/14+63/90 9/70+63/90 63/14+63/90 9/98+63/90