Add 4/16 and 8/72
4/16 + 8/72 is 13/36.
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,
4/16 = 4 × 9/16 × 9 = 36/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
8/72 = 8 × 2/72 × 2 = 16/144 - Add the two like fractions:
36/144 + 16/144 = 36 + 16/144 = 52/144 - 52/144 simplified gives 13/36
- So, 4/16 + 8/72 = 13/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+8/72 4/16+16/72 4/32+8/72 12/16+8/72 4/16+24/72 4/48+8/72 20/16+8/72 4/16+40/72 4/80+8/72 28/16+8/72 4/16+56/72