Add 45/6 and 72/45
1st number: 7 3/6, 2nd number: 1 27/45
45/6 + 72/45 is 91/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
45/6 = 45 × 15/6 × 15 = 675/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
72/45 = 72 × 2/45 × 2 = 144/90 - Add the two like fractions:
675/90 + 144/90 = 675 + 144/90 = 819/90 - 819/90 simplified gives 91/10
- So, 45/6 + 72/45 = 91/10
In mixed form: 91/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+72/45 45/12+72/45 45/6+72/90 45/18+72/45 45/30+72/45 45/42+72/45