Add 15/6 and 72/42
1st number: 2 3/6, 2nd number: 1 30/42
15/6 + 72/42 is 59/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
15/6 = 15 × 7/6 × 7 = 105/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
72/42 = 72 × 1/42 × 1 = 72/42 - Add the two like fractions:
105/42 + 72/42 = 105 + 72/42 = 177/42 - 177/42 simplified gives 59/14
- So, 15/6 + 72/42 = 59/14
In mixed form: 43/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6+72/42 15/12+72/42 15/6+72/84 45/6+72/42 15/18+72/42 75/6+72/42 15/30+72/42 15/42+72/42