Add 45/72 and 27/16
1st number: 45/72, 2nd number: 1 11/16
45/72 + 27/16 is 37/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
45/72 = 45 × 2/72 × 2 = 90/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
27/16 = 27 × 9/16 × 9 = 243/144 - Add the two like fractions:
90/144 + 243/144 = 90 + 243/144 = 333/144 - 333/144 simplified gives 37/16
- So, 45/72 + 27/16 = 37/16
In mixed form: 25/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+27/16 45/72+54/16 45/72+27/32 45/72+81/16 45/72+27/48 45/72+27/80