Add 80/75 and 12/54
1st number: 1 5/75, 2nd number: 12/54
80/75 + 12/54 is 58/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 75 × 18 = 1350,
80/75 = 80 × 18/75 × 18 = 1440/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
12/54 = 12 × 25/54 × 25 = 300/1350 - Add the two like fractions:
1440/1350 + 300/1350 = 1440 + 300/1350 = 1740/1350 - 1740/1350 simplified gives 58/45
- So, 80/75 + 12/54 = 58/45
In mixed form: 113/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75+24/54 80/75+36/54 80/75+60/54 80/75+84/54