Add 30/25 and 63/90
1st number: 1 5/25, 2nd number: 63/90
30/25 + 63/90 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
30/25 = 30 × 18/25 × 18 = 540/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
63/90 = 63 × 5/90 × 5 = 315/450 - Add the two like fractions:
540/450 + 315/450 = 540 + 315/450 = 855/450 - 855/450 simplified gives 19/10
- So, 30/25 + 63/90 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+63/90 30/50+63/90 90/25+63/90 30/75+63/90