Add 45/5 and 6/72
1st number: 9 0/5, 2nd number: 6/72
45/5 + 6/72 is 109/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
45/5 = 45 × 72/5 × 72 = 3240/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Add the two like fractions:
3240/360 + 30/360 = 3240 + 30/360 = 3270/360 - 3270/360 simplified gives 109/12
- So, 45/5 + 6/72 = 109/12
In mixed form: 91/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+6/72 45/5+12/72 45/10+6/72 45/5+18/72 45/15+6/72 45/5+30/72 45/25+6/72 45/5+42/72 45/35+6/72