Add 7/72 and 12/8
1st number: 7/72, 2nd number: 1 4/8
7/72 + 12/8 is 115/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Add the two like fractions:
7/72 + 108/72 = 7 + 108/72 = 115/72 - So, 7/72 + 12/8 = 115/72
In mixed form: 143/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+12/8 7/72+24/8 7/72+12/16 21/72+12/8 7/72+36/8 7/72+12/24 35/72+12/8 7/72+60/8 7/72+12/40 49/72+12/8 7/72+84/8 7/72+12/56