Add 80/48 and 12/45
1st number: 1 32/48, 2nd number: 12/45
80/48 + 12/45 is 29/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
80/48 = 80 × 15/48 × 15 = 1200/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Add the two like fractions:
1200/720 + 192/720 = 1200 + 192/720 = 1392/720 - 1392/720 simplified gives 29/15
- So, 80/48 + 12/45 = 29/15
In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/48+24/45 80/96+12/45 80/48+12/90 80/48+36/45 80/48+60/45 80/48+84/45