Add 16/15 and 40/72
1st number: 1 1/15, 2nd number: 40/72
16/15 + 40/72 is 73/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
16/15 = 16 × 24/15 × 24 = 384/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Add the two like fractions:
384/360 + 200/360 = 384 + 200/360 = 584/360 - 584/360 simplified gives 73/45
- So, 16/15 + 40/72 = 73/45
In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+40/72 16/15+80/72 16/30+40/72 48/15+40/72 16/45+40/72 80/15+40/72 16/75+40/72