Add 7/90 and 10/15
7/90 + 10/15 is 67/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
10/15 = 10 × 6/15 × 6 = 60/90 - Add the two like fractions:
7/90 + 60/90 = 7 + 60/90 = 67/90 - So, 7/90 + 10/15 = 67/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+10/15 7/90+20/15 7/90+10/30 21/90+10/15 7/90+30/15 7/90+10/45 35/90+10/15 7/90+50/15 7/90+10/75 49/90+10/15 7/90+70/15