Add 28/8 and 27/60
1st number: 3 4/8, 2nd number: 27/60
28/8 + 27/60 is 79/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
27/60 = 27 × 2/60 × 2 = 54/120 - Add the two like fractions:
420/120 + 54/120 = 420 + 54/120 = 474/120 - 474/120 simplified gives 79/20
- So, 28/8 + 27/60 = 79/20
In mixed form: 319/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+27/60 28/8+54/60 28/16+27/60 84/8+27/60 28/8+81/60 28/24+27/60 28/40+27/60 28/56+27/60