Add 15/16 and 18/72
15/16 + 18/72 is 19/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
15/16 = 15 × 9/16 × 9 = 135/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
18/72 = 18 × 2/72 × 2 = 36/144 - Add the two like fractions:
135/144 + 36/144 = 135 + 36/144 = 171/144 - 171/144 simplified gives 19/16
- So, 15/16 + 18/72 = 19/16
In mixed form: 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16+18/72 15/16+36/72 15/32+18/72 45/16+18/72 15/16+54/72 15/48+18/72 75/16+18/72 15/16+90/72 15/80+18/72