Add 27/72 and 12/5
1st number: 27/72, 2nd number: 2 2/5
27/72 + 12/5 is 111/40.
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,
27/72 = 27 × 5/72 × 5 = 135/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
12/5 = 12 × 72/5 × 72 = 864/360 - Add the two like fractions:
135/360 + 864/360 = 135 + 864/360 = 999/360 - 999/360 simplified gives 111/40
- So, 27/72 + 12/5 = 111/40
In mixed form: 231/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+12/5 27/72+24/5 27/72+12/10 81/72+12/5 27/72+36/5 27/72+12/15 27/72+60/5 27/72+12/25 27/72+84/5 27/72+12/35