Add 42/2 and 16/70
1st number: 21 0/2, 2nd number: 16/70
42/2 + 16/70 is 743/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
42/2 = 42 × 35/2 × 35 = 1470/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
16/70 = 16 × 1/70 × 1 = 16/70 - Add the two like fractions:
1470/70 + 16/70 = 1470 + 16/70 = 1486/70 - 1486/70 simplified gives 743/35
- So, 42/2 + 16/70 = 743/35
In mixed form: 218/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+16/70 42/2+32/70 42/4+16/70 42/2+48/70 42/6+16/70 42/2+80/70 42/10+16/70 42/14+16/70