Add 84/35 and 42/80
1st number: 2 14/35, 2nd number: 42/80
84/35 + 42/80 is 117/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
84/35 = 84 × 16/35 × 16 = 1344/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
1344/560 + 294/560 = 1344 + 294/560 = 1638/560 - 1638/560 simplified gives 117/40
- So, 84/35 + 42/80 = 117/40
In mixed form: 237/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35+84/80 84/70+42/80