Add 16/80 and 42/35
1st number: 16/80, 2nd number: 1 7/35
16/80 + 42/35 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
16/80 = 16 × 7/80 × 7 = 112/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
42/35 = 42 × 16/35 × 16 = 672/560 - Add the two like fractions:
112/560 + 672/560 = 112 + 672/560 = 784/560 - 784/560 simplified gives 7/5
- So, 16/80 + 42/35 = 7/5
In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/80+42/35 16/80+84/35 16/80+42/70 48/80+42/35