Add 8/35 and 42/80
8/35 + 42/80 is 211/280.
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,
8/35 = 8 × 16/35 × 16 = 128/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
128/560 + 294/560 = 128 + 294/560 = 422/560 - 422/560 simplified gives 211/280
- So, 8/35 + 42/80 = 211/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/35+42/80 8/35+84/80 8/70+42/80 24/35+42/80 40/35+42/80 56/35+42/80