Add 35/84 and 8/15
35/84 + 8/15 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
8/15 = 8 × 28/15 × 28 = 224/420 - Add the two like fractions:
175/420 + 224/420 = 175 + 224/420 = 399/420 - 399/420 simplified gives 19/20
- So, 35/84 + 8/15 = 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+8/15 35/84+16/15 35/84+8/30 35/84+24/15 35/84+8/45 35/84+40/15 35/84+8/75 35/84+56/15