Add 10/3 and 90/63
1st number: 3 1/3, 2nd number: 1 27/63
10/3 + 90/63 is 100/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
10/3 = 10 × 21/3 × 21 = 210/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Add the two like fractions:
210/63 + 90/63 = 210 + 90/63 = 300/63 - 300/63 simplified gives 100/21
- So, 10/3 + 90/63 = 100/21
In mixed form: 416/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/3+90/63 10/6+90/63 30/3+90/63 10/9+90/63 50/3+90/63 10/15+90/63 70/3+90/63 10/21+90/63