Add 72/2 and 15/42
1st number: 36 0/2, 2nd number: 15/42
72/2 + 15/42 is 509/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
72/2 = 72 × 21/2 × 21 = 1512/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42 - Add the two like fractions:
1512/42 + 15/42 = 1512 + 15/42 = 1527/42 - 1527/42 simplified gives 509/14
- So, 72/2 + 15/42 = 509/14
In mixed form: 365/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+30/42 72/4+15/42 72/2+15/84 72/2+45/42 72/6+15/42 72/2+75/42 72/10+15/42 72/14+15/42