Add 60/72 and 42/40
1st number: 60/72, 2nd number: 1 2/40
60/72 + 42/40 is 113/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
60/72 = 60 × 5/72 × 5 = 300/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
300/360 + 378/360 = 300 + 378/360 = 678/360 - 678/360 simplified gives 113/60
- So, 60/72 + 42/40 = 113/60
In mixed form: 153/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+84/40 60/72+42/80