Add 45/36 and 42/16
1st number: 1 9/36, 2nd number: 2 10/16
45/36 + 42/16 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
45/36 = 45 × 4/36 × 4 = 180/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144 - Add the two like fractions:
180/144 + 378/144 = 180 + 378/144 = 558/144 - 558/144 simplified gives 31/8
- So, 45/36 + 42/16 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+42/16 45/36+84/16 45/72+42/16 45/36+42/32 45/36+42/48 45/36+42/80