Add 72/9 and 70/5
1st number: 8 0/9, 2nd number: 14 0/5
72/9 + 70/5 is 22/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
70/5 = 70 × 9/5 × 9 = 630/45 - Add the two like fractions:
360/45 + 630/45 = 360 + 630/45 = 990/45 - 990/45 simplified gives 22/1
- So, 72/9 + 70/5 = 22/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+70/5 72/9+70/10 72/27+70/5 72/9+70/15 72/45+70/5 72/9+70/25 72/63+70/5 72/9+70/35