Add 1/90 and 12/60
1/90 + 12/60 is 19/90.
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,
1/90 = 1 × 2/90 × 2 = 2/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
12/60 = 12 × 3/60 × 3 = 36/180 - Add the two like fractions:
2/180 + 36/180 = 2 + 36/180 = 38/180 - 38/180 simplified gives 19/90
- So, 1/90 + 12/60 = 19/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+12/60 1/90+24/60 3/90+12/60 1/90+36/60 5/90+12/60 7/90+12/60 1/90+84/60