Add 4/35 and 42/80
4/35 + 42/80 is 179/280.
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,
4/35 = 4 × 16/35 × 16 = 64/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
64/560 + 294/560 = 64 + 294/560 = 358/560 - 358/560 simplified gives 179/280
- So, 4/35 + 42/80 = 179/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/35+42/80 4/35+84/80 4/70+42/80 12/35+42/80 20/35+42/80 28/35+42/80