Add 4/90 and 7/12
4/90 + 7/12 is 113/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
7/12 = 7 × 15/12 × 15 = 105/180 - Add the two like fractions:
8/180 + 105/180 = 8 + 105/180 = 113/180 - So, 4/90 + 7/12 = 113/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+7/12 4/90+14/12 4/90+7/24 12/90+7/12 4/90+21/12 4/90+7/36 20/90+7/12 4/90+35/12 4/90+7/60 28/90+7/12 4/90+49/12 4/90+7/84