Add 15/80 and 70/10
1st number: 15/80, 2nd number: 7 0/10
15/80 + 70/10 is 115/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
70/10 = 70 × 8/10 × 8 = 560/80 - Add the two like fractions:
15/80 + 560/80 = 15 + 560/80 = 575/80 - 575/80 simplified gives 115/16
- So, 15/80 + 70/10 = 115/16
In mixed form: 73/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+70/10 15/80+70/20 45/80+70/10 15/80+70/30 75/80+70/10 15/80+70/50