Add 4/36 and 72/45
1st number: 4/36, 2nd number: 1 27/45
4/36 + 72/45 is 77/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
4/36 = 4 × 5/36 × 5 = 20/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
72/45 = 72 × 4/45 × 4 = 288/180 - Add the two like fractions:
20/180 + 288/180 = 20 + 288/180 = 308/180 - 308/180 simplified gives 77/45
- So, 4/36 + 72/45 = 77/45
In mixed form: 132/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36+72/45 4/72+72/45 4/36+72/90 12/36+72/45 20/36+72/45 28/36+72/45