Add 84/30 and 90/25
1st number: 2 24/30, 2nd number: 3 15/25
84/30 + 90/25 is 32/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
84/30 = 84 × 5/30 × 5 = 420/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
90/25 = 90 × 6/25 × 6 = 540/150 - Add the two like fractions:
420/150 + 540/150 = 420 + 540/150 = 960/150 - 960/150 simplified gives 32/5
- So, 84/30 + 90/25 = 32/5
In mixed form: 62/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+90/25 84/30+90/50 84/90+90/25 84/30+90/75