Add 90/15 and 60/72
1st number: 6 0/15, 2nd number: 60/72
90/15 + 60/72 is 41/6.
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,
90/15 = 90 × 24/15 × 24 = 2160/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
60/72 = 60 × 5/72 × 5 = 300/360 - Add the two like fractions:
2160/360 + 300/360 = 2160 + 300/360 = 2460/360 - 2460/360 simplified gives 41/6
- So, 90/15 + 60/72 = 41/6
In mixed form: 65/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+60/72 90/45+60/72 90/75+60/72