Add 90/63 and 15/14
1st number: 1 27/63, 2nd number: 1 1/14
90/63 + 15/14 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
90/63 = 90 × 2/63 × 2 = 180/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
15/14 = 15 × 9/14 × 9 = 135/126 - Add the two like fractions:
180/126 + 135/126 = 180 + 135/126 = 315/126 - 315/126 simplified gives 5/2
- So, 90/63 + 15/14 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+30/14 90/63+15/28 90/63+45/14 90/63+15/42 90/63+75/14 90/63+15/70 90/63+15/98