Add 16/72 and 12/15
16/72 + 12/15 is 46/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 15 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
16/72 = 16 × 5/72 × 5 = 80/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
12/15 = 12 × 24/15 × 24 = 288/360 - Add the two like fractions:
80/360 + 288/360 = 80 + 288/360 = 368/360 - 368/360 simplified gives 46/45
- So, 16/72 + 12/15 = 46/45
In mixed form: 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/72+12/15 16/72+24/15 16/72+12/30 48/72+12/15 16/72+36/15 16/72+12/45 80/72+12/15 16/72+60/15 16/72+12/75 16/72+84/15