Add 30/84 and 35/60
30/84 + 35/60 is 79/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
35/60 = 35 × 7/60 × 7 = 245/420 - Add the two like fractions:
150/420 + 245/420 = 150 + 245/420 = 395/420 - 395/420 simplified gives 79/84
- So, 30/84 + 35/60 = 79/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+35/60 30/84+70/60 90/84+35/60