Add 63/3 and 90/15
1st number: 21 0/3, 2nd number: 6 0/15
63/3 + 90/15 is 27/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
63/3 = 63 × 5/3 × 5 = 315/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
90/15 = 90 × 1/15 × 1 = 90/15 - Add the two like fractions:
315/15 + 90/15 = 315 + 90/15 = 405/15 - 405/15 simplified gives 27/1
- So, 63/3 + 90/15 = 27/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6+90/15 63/3+90/30 63/9+90/15 63/3+90/45 63/15+90/15 63/3+90/75 63/21+90/15