Add 84/4 and 35/40
1st number: 21 0/4, 2nd number: 35/40
84/4 + 35/40 is 175/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
84/4 = 84 × 10/4 × 10 = 840/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
35/40 = 35 × 1/40 × 1 = 35/40 - Add the two like fractions:
840/40 + 35/40 = 840 + 35/40 = 875/40 - 875/40 simplified gives 175/8
- So, 84/4 + 35/40 = 175/8
In mixed form: 217/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+70/40 84/8+35/40 84/4+35/80 84/12+35/40 84/20+35/40 84/28+35/40