Add 72/8 and 70/12
1st number: 9 0/8, 2nd number: 5 10/12
72/8 + 70/12 is 89/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
72/8 = 72 × 3/8 × 3 = 216/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
70/12 = 70 × 2/12 × 2 = 140/24 - Add the two like fractions:
216/24 + 140/24 = 216 + 140/24 = 356/24 - 356/24 simplified gives 89/6
- So, 72/8 + 70/12 = 89/6
In mixed form: 145/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/16+70/12 72/8+70/24 72/24+70/12 72/8+70/36 72/40+70/12 72/8+70/60 72/56+70/12 72/8+70/84