Add 16/12 and 12/45
1st number: 1 4/12, 2nd number: 12/45
16/12 + 12/45 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
16/12 = 16 × 15/12 × 15 = 240/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
12/45 = 12 × 4/45 × 4 = 48/180 - Add the two like fractions:
240/180 + 48/180 = 240 + 48/180 = 288/180 - 288/180 simplified gives 8/5
- So, 16/12 + 12/45 = 8/5
In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12+12/45 16/12+24/45 16/24+12/45 16/12+12/90 48/12+12/45 16/12+36/45 16/36+12/45 80/12+12/45 16/12+60/45 16/60+12/45 16/12+84/45 16/84+12/45