Add 64/5 and 30/12
1st number: 12 4/5, 2nd number: 2 6/12
64/5 + 30/12 is 153/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
64/5 = 64 × 12/5 × 12 = 768/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Add the two like fractions:
768/60 + 150/60 = 768 + 150/60 = 918/60 - 918/60 simplified gives 153/10
- So, 64/5 + 30/12 = 153/10
In mixed form: 153/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/5+60/12 64/10+30/12 64/5+30/24 64/5+90/12 64/15+30/12 64/5+30/36 64/25+30/12 64/5+30/60 64/35+30/12 64/5+30/84