Add 15/80 and 70/60
1st number: 15/80, 2nd number: 1 10/60
15/80 + 70/60 is 65/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
70/60 = 70 × 4/60 × 4 = 280/240 - Add the two like fractions:
45/240 + 280/240 = 45 + 280/240 = 325/240 - 325/240 simplified gives 65/48
- So, 15/80 + 70/60 = 65/48
In mixed form: 117/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+70/60 45/80+70/60 75/80+70/60