Add 1/72 and 12/5
1st number: 1/72, 2nd number: 2 2/5
1/72 + 12/5 is 869/360.
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,
1/72 = 1 × 5/72 × 5 = 5/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
12/5 = 12 × 72/5 × 72 = 864/360 - Add the two like fractions:
5/360 + 864/360 = 5 + 864/360 = 869/360 - So, 1/72 + 12/5 = 869/360
In mixed form: 2149/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72+12/5 1/72+24/5 1/72+12/10 3/72+12/5 1/72+36/5 1/72+12/15 5/72+12/5 1/72+60/5 1/72+12/25 7/72+12/5 1/72+84/5 1/72+12/35