Add 15/5 and 7/72
1st number: 3 0/5, 2nd number: 7/72
15/5 + 7/72 is 223/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
15/5 = 15 × 72/5 × 72 = 1080/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
7/72 = 7 × 5/72 × 5 = 35/360 - Add the two like fractions:
1080/360 + 35/360 = 1080 + 35/360 = 1115/360 - 1115/360 simplified gives 223/72
- So, 15/5 + 7/72 = 223/72
In mixed form: 37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+7/72 15/5+14/72 15/10+7/72 45/5+7/72 15/5+21/72 75/5+7/72 15/5+35/72 15/25+7/72 15/5+49/72 15/35+7/72