Add 6/72 and 45/15
1st number: 6/72, 2nd number: 3 0/15
6/72 + 45/15 is 37/12.
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,
6/72 = 6 × 5/72 × 5 = 30/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
45/15 = 45 × 24/15 × 24 = 1080/360 - Add the two like fractions:
30/360 + 1080/360 = 30 + 1080/360 = 1110/360 - 1110/360 simplified gives 37/12
- So, 6/72 + 45/15 = 37/12
In mixed form: 31/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/72+45/15 6/72+90/15 6/72+45/30 18/72+45/15 30/72+45/15 6/72+45/75 42/72+45/15