Add 45/12 and 8/10
1st number: 3 9/12, 2nd number: 8/10
45/12 + 8/10 is 91/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
8/10 = 8 × 6/10 × 6 = 48/60 - Add the two like fractions:
225/60 + 48/60 = 225 + 48/60 = 273/60 - 273/60 simplified gives 91/20
- So, 45/12 + 8/10 = 91/20
In mixed form: 411/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+8/10 45/12+16/10 45/24+8/10 45/12+8/20 45/12+24/10 45/36+8/10 45/12+8/30 45/12+40/10 45/60+8/10 45/12+8/50 45/12+56/10 45/84+8/10 45/12+8/70