Add 15/80 and 70/6
1st number: 15/80, 2nd number: 11 4/6
15/80 + 70/6 is 569/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 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 6 × 40 = 240,
70/6 = 70 × 40/6 × 40 = 2800/240 - Add the two like fractions:
45/240 + 2800/240 = 45 + 2800/240 = 2845/240 - 2845/240 simplified gives 569/48
- So, 15/80 + 70/6 = 569/48
In mixed form: 1141/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+70/6 15/80+70/12 45/80+70/6 15/80+70/18 75/80+70/6 15/80+70/30 15/80+70/42