Add 84/35 and 25/20
1st number: 2 14/35, 2nd number: 1 5/20
84/35 + 25/20 is 73/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
84/35 = 84 × 4/35 × 4 = 336/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
25/20 = 25 × 7/20 × 7 = 175/140 - Add the two like fractions:
336/140 + 175/140 = 336 + 175/140 = 511/140 - 511/140 simplified gives 73/20
- So, 84/35 + 25/20 = 73/20
In mixed form: 313/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35+50/20 84/70+25/20 84/35+25/40 84/35+75/20 84/35+25/60