Add 12/80 and 84/64
1st number: 12/80, 2nd number: 1 20/64
12/80 + 84/64 is 117/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 80 × 4 = 320,
12/80 = 12 × 4/80 × 4 = 48/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
84/64 = 84 × 5/64 × 5 = 420/320 - Add the two like fractions:
48/320 + 420/320 = 48 + 420/320 = 468/320 - 468/320 simplified gives 117/80
- So, 12/80 + 84/64 = 117/80
In mixed form: 137/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/80+84/64 36/80+84/64 60/80+84/64 84/80+84/64