Add 42/60 and 72/12
1st number: 42/60, 2nd number: 6 0/12
42/60 + 72/12 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
42/60 = 42 × 1/60 × 1 = 42/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
72/12 = 72 × 5/12 × 5 = 360/60 - Add the two like fractions:
42/60 + 360/60 = 42 + 360/60 = 402/60 - 402/60 simplified gives 67/10
- So, 42/60 + 72/12 = 67/10
In mixed form: 67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+72/12 42/60+72/24 42/60+72/36 42/60+72/60 42/60+72/84