Add 75/84 and 5/30
75/84 + 5/30 is 89/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
5/30 = 5 × 14/30 × 14 = 70/420 - Add the two like fractions:
375/420 + 70/420 = 375 + 70/420 = 445/420 - 445/420 simplified gives 89/84
- So, 75/84 + 5/30 = 89/84
In mixed form: 15/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/84+10/30 75/84+5/60 75/84+15/30 75/84+5/90 75/84+25/30 75/84+35/30