Add 10/14 and 72/90
10/14 + 72/90 is 53/35.
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,
10/14 = 10 × 45/14 × 45 = 450/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Add the two like fractions:
450/630 + 504/630 = 450 + 504/630 = 954/630 - 954/630 simplified gives 53/35
- So, 10/14 + 72/90 = 53/35
In mixed form: 118/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/14+72/90 10/28+72/90 30/14+72/90 10/42+72/90 50/14+72/90 10/70+72/90 70/14+72/90 10/98+72/90