Add 72/9 and 90/35
1st number: 8 0/9, 2nd number: 2 20/35
72/9 + 90/35 is 74/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
72/9 = 72 × 35/9 × 35 = 2520/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
90/35 = 90 × 9/35 × 9 = 810/315 - Add the two like fractions:
2520/315 + 810/315 = 2520 + 810/315 = 3330/315 - 3330/315 simplified gives 74/7
- So, 72/9 + 90/35 = 74/7
In mixed form: 104/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+90/35 72/9+90/70 72/27+90/35 72/45+90/35 72/63+90/35