Add 9/7 and 72/9
1st number: 1 2/7, 2nd number: 8 0/9
9/7 + 72/9 is 65/7.
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,
9/7 = 9 × 9/7 × 9 = 81/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
72/9 = 72 × 7/9 × 7 = 504/63 - Add the two like fractions:
81/63 + 504/63 = 81 + 504/63 = 585/63 - 585/63 simplified gives 65/7
- So, 9/7 + 72/9 = 65/7
In mixed form: 92/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+72/9 9/14+72/9 9/7+72/18 27/7+72/9 9/21+72/9 9/7+72/27 45/7+72/9 9/35+72/9 9/7+72/45 63/7+72/9 9/49+72/9 9/7+72/63