Add 5/7 and 75/9
1st number: 5/7, 2nd number: 8 3/9
5/7 + 75/9 is 190/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
5/7 = 5 × 9/7 × 9 = 45/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
75/9 = 75 × 7/9 × 7 = 525/63 - Add the two like fractions:
45/63 + 525/63 = 45 + 525/63 = 570/63 - 570/63 simplified gives 190/21
- So, 5/7 + 75/9 = 190/21
In mixed form: 91/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7+75/9 5/14+75/9 5/7+75/18 15/7+75/9 5/21+75/9 5/7+75/27 25/7+75/9 5/35+75/9 5/7+75/45 35/7+75/9 5/49+75/9 5/7+75/63