Add 30/90 and 35/25
1st number: 30/90, 2nd number: 1 10/25
30/90 + 35/25 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
30/90 = 30 × 5/90 × 5 = 150/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
35/25 = 35 × 18/25 × 18 = 630/450 - Add the two like fractions:
150/450 + 630/450 = 150 + 630/450 = 780/450 - 780/450 simplified gives 26/15
- So, 30/90 + 35/25 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+35/25 30/90+70/25 30/90+35/50 30/90+35/75