Add 72/14 and 9/10
1st number: 5 2/14, 2nd number: 9/10
72/14 + 9/10 is 423/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
72/14 = 72 × 5/14 × 5 = 360/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
9/10 = 9 × 7/10 × 7 = 63/70 - Add the two like fractions:
360/70 + 63/70 = 360 + 63/70 = 423/70 - So, 72/14 + 9/10 = 423/70
In mixed form: 63/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+18/10 72/28+9/10 72/14+9/20 72/14+27/10 72/42+9/10 72/14+9/30 72/14+45/10 72/70+9/10 72/14+9/50 72/14+63/10 72/98+9/10 72/14+9/70