Add 3/72 and 7/5
1st number: 3/72, 2nd number: 1 2/5
3/72 + 7/5 is 173/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
7/5 = 7 × 72/5 × 72 = 504/360 - Add the two like fractions:
15/360 + 504/360 = 15 + 504/360 = 519/360 - 519/360 simplified gives 173/120
- So, 3/72 + 7/5 = 173/120
In mixed form: 153/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/72+7/5 3/72+14/5 3/72+7/10 9/72+7/5 3/72+21/5 3/72+7/15 15/72+7/5 3/72+35/5 3/72+7/25 21/72+7/5 3/72+49/5 3/72+7/35