Add 27/15 and 70/8
1st number: 1 12/15, 2nd number: 8 6/8
27/15 + 70/8 is 211/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
27/15 = 27 × 8/15 × 8 = 216/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
70/8 = 70 × 15/8 × 15 = 1050/120 - Add the two like fractions:
216/120 + 1050/120 = 216 + 1050/120 = 1266/120 - 1266/120 simplified gives 211/20
- So, 27/15 + 70/8 = 211/20
In mixed form: 1011/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+70/8 27/30+70/8 27/15+70/16 81/15+70/8 27/45+70/8 27/15+70/24 27/75+70/8 27/15+70/40 27/15+70/56