Add 60/18 and 70/72
1st number: 3 6/18, 2nd number: 70/72
60/18 + 70/72 is 155/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
60/18 = 60 × 4/18 × 4 = 240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Add the two like fractions:
240/72 + 70/72 = 240 + 70/72 = 310/72 - 310/72 simplified gives 155/36
- So, 60/18 + 70/72 = 155/36
In mixed form: 411/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+70/72 60/54+70/72 60/90+70/72