Add 50/7 and 75/9
1st number: 7 1/7, 2nd number: 8 3/9
50/7 + 75/9 is 325/21.
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,
50/7 = 50 × 9/7 × 9 = 450/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
75/9 = 75 × 7/9 × 7 = 525/63 - Add the two like fractions:
450/63 + 525/63 = 450 + 525/63 = 975/63 - 975/63 simplified gives 325/21
- So, 50/7 + 75/9 = 325/21
In mixed form: 1510/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14+75/9 50/7+75/18 50/21+75/9 50/7+75/27 50/35+75/9 50/7+75/45 50/49+75/9 50/7+75/63