Add 12/72 and 7/5
1st number: 12/72, 2nd number: 1 2/5
12/72 + 7/5 is 47/30.
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,
12/72 = 12 × 5/72 × 5 = 60/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
7/5 = 7 × 72/5 × 72 = 504/360 - Add the two like fractions:
60/360 + 504/360 = 60 + 504/360 = 564/360 - 564/360 simplified gives 47/30
- So, 12/72 + 7/5 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/72+7/5 12/72+14/5 12/72+7/10 36/72+7/5 12/72+21/5 12/72+7/15 60/72+7/5 12/72+35/5 12/72+7/25 84/72+7/5 12/72+49/5 12/72+7/35