Add 90/60 and 27/8
1st number: 1 30/60, 2nd number: 3 3/8
90/60 + 27/8 is 39/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
90/60 = 90 × 2/60 × 2 = 180/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
27/8 = 27 × 15/8 × 15 = 405/120 - Add the two like fractions:
180/120 + 405/120 = 180 + 405/120 = 585/120 - 585/120 simplified gives 39/8
- So, 90/60 + 27/8 = 39/8
In mixed form: 47/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+54/8 90/60+27/16 90/60+81/8 90/60+27/24 90/60+27/40 90/60+27/56