Add 90/6 and 15/63
1st number: 15 0/6, 2nd number: 15/63
90/6 + 15/63 is 320/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
90/6 = 90 × 21/6 × 21 = 1890/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Add the two like fractions:
1890/126 + 30/126 = 1890 + 30/126 = 1920/126 - 1920/126 simplified gives 320/21
- So, 90/6 + 15/63 = 320/21
In mixed form: 155/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+30/63 90/12+15/63 90/6+45/63 90/18+15/63 90/6+75/63 90/30+15/63 90/42+15/63