Add 1/45 and 16/12
1st number: 1/45, 2nd number: 1 4/12
1/45 + 16/12 is 61/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
1/45 = 1 × 4/45 × 4 = 4/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
16/12 = 16 × 15/12 × 15 = 240/180 - Add the two like fractions:
4/180 + 240/180 = 4 + 240/180 = 244/180 - 244/180 simplified gives 61/45
- So, 1/45 + 16/12 = 61/45
In mixed form: 116/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+16/12 1/45+32/12 1/90+16/12 1/45+16/24 3/45+16/12 1/45+48/12 1/45+16/36 5/45+16/12 1/45+80/12 1/45+16/60 7/45+16/12 1/45+16/84