Add 10/12 and 72/7
1st number: 10/12, 2nd number: 10 2/7
10/12 + 72/7 is 467/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
10/12 = 10 × 7/12 × 7 = 70/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
72/7 = 72 × 12/7 × 12 = 864/84 - Add the two like fractions:
70/84 + 864/84 = 70 + 864/84 = 934/84 - 934/84 simplified gives 467/42
- So, 10/12 + 72/7 = 467/42
In mixed form: 115/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+72/7 10/24+72/7 10/12+72/14 30/12+72/7 10/36+72/7 10/12+72/21 50/12+72/7 10/60+72/7 10/12+72/35 70/12+72/7 10/84+72/7 10/12+72/49