Add 8/90 and 12/60
8/90 + 12/60 is 13/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
8/90 = 8 × 2/90 × 2 = 16/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
12/60 = 12 × 3/60 × 3 = 36/180 - Add the two like fractions:
16/180 + 36/180 = 16 + 36/180 = 52/180 - 52/180 simplified gives 13/45
- So, 8/90 + 12/60 = 13/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90+12/60 8/90+24/60 24/90+12/60 8/90+36/60 40/90+12/60 56/90+12/60 8/90+84/60