Add 36/70 and 35/84
36/70 + 35/84 is 391/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
36/70 = 36 × 6/70 × 6 = 216/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Add the two like fractions:
216/420 + 175/420 = 216 + 175/420 = 391/420 - So, 36/70 + 35/84 = 391/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+35/84 36/70+70/84