Add 18/16 and 45/15
1st number: 1 2/16, 2nd number: 3 0/15
18/16 + 45/15 is 33/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
45/15 = 45 × 16/15 × 16 = 720/240 - Add the two like fractions:
270/240 + 720/240 = 270 + 720/240 = 990/240 - 990/240 simplified gives 33/8
- So, 18/16 + 45/15 = 33/8
In mixed form: 41/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16+45/15 18/16+90/15 18/32+45/15 18/16+45/30 54/16+45/15 18/48+45/15 90/16+45/15 18/80+45/15 18/16+45/75