Add 75/25 and 70/90
1st number: 3 0/25, 2nd number: 70/90
75/25 + 70/90 is 34/9.
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,
75/25 = 75 × 18/25 × 18 = 1350/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
70/90 = 70 × 5/90 × 5 = 350/450 - Add the two like fractions:
1350/450 + 350/450 = 1350 + 350/450 = 1700/450 - 1700/450 simplified gives 34/9
- So, 75/25 + 70/90 = 34/9
In mixed form: 37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/50+70/90