Add 9/72 and 27/15
1st number: 9/72, 2nd number: 1 12/15
9/72 + 27/15 is 77/40.
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,
9/72 = 9 × 5/72 × 5 = 45/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
27/15 = 27 × 24/15 × 24 = 648/360 - Add the two like fractions:
45/360 + 648/360 = 45 + 648/360 = 693/360 - 693/360 simplified gives 77/40
- So, 9/72 + 27/15 = 77/40
In mixed form: 137/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+27/15 9/72+54/15 9/72+27/30 27/72+27/15 9/72+81/15 9/72+27/45 45/72+27/15 9/72+27/75 63/72+27/15