Add 72/27 and 10/45
1st number: 2 18/27, 2nd number: 10/45
72/27 + 10/45 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
72/27 = 72 × 5/27 × 5 = 360/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
10/45 = 10 × 3/45 × 3 = 30/135 - Add the two like fractions:
360/135 + 30/135 = 360 + 30/135 = 390/135 - 390/135 simplified gives 26/9
- So, 72/27 + 10/45 = 26/9
In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/27+20/45 72/54+10/45 72/27+10/90 72/27+30/45 72/81+10/45 72/27+50/45 72/27+70/45