Add 36/84 and 30/35
36/84 + 30/35 is 9/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
36/84 = 36 × 5/84 × 5 = 180/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
30/35 = 30 × 12/35 × 12 = 360/420 - Add the two like fractions:
180/420 + 360/420 = 180 + 360/420 = 540/420 - 540/420 simplified gives 9/7
- So, 36/84 + 30/35 = 9/7
In mixed form: 12/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+30/35 36/84+60/35 36/84+30/70 36/84+90/35