Add 9/7 and 72/30
1st number: 1 2/7, 2nd number: 2 12/30
9/7 + 72/30 is 129/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
9/7 = 9 × 30/7 × 30 = 270/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210 - Add the two like fractions:
270/210 + 504/210 = 270 + 504/210 = 774/210 - 774/210 simplified gives 129/35
- So, 9/7 + 72/30 = 129/35
In mixed form: 324/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+72/30 9/14+72/30 9/7+72/60 27/7+72/30 9/21+72/30 9/7+72/90 45/7+72/30 9/35+72/30 63/7+72/30 9/49+72/30