Add 1/36 and 90/72
1st number: 1/36, 2nd number: 1 18/72
1/36 + 90/72 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
1/36 = 1 × 2/36 × 2 = 2/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
2/72 + 90/72 = 2 + 90/72 = 92/72 - 92/72 simplified gives 23/18
- So, 1/36 + 90/72 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36+90/72 1/72+90/72 3/36+90/72 5/36+90/72 7/36+90/72