Add 7/12 and 24/90
7/12 + 24/90 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
7/12 = 7 × 15/12 × 15 = 105/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
24/90 = 24 × 2/90 × 2 = 48/180 - Add the two like fractions:
105/180 + 48/180 = 105 + 48/180 = 153/180 - 153/180 simplified gives 17/20
- So, 7/12 + 24/90 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12+24/90 7/12+48/90 7/24+24/90 21/12+24/90 7/12+72/90 7/36+24/90 35/12+24/90 7/60+24/90 49/12+24/90 7/84+24/90