Add 35/2 and 42/40
1st number: 17 1/2, 2nd number: 1 2/40
35/2 + 42/40 is 371/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
35/2 = 35 × 20/2 × 20 = 700/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Add the two like fractions:
700/40 + 42/40 = 700 + 42/40 = 742/40 - 742/40 simplified gives 371/20
- So, 35/2 + 42/40 = 371/20
In mixed form: 1811/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2+42/40 35/2+84/40 35/4+42/40 35/2+42/80 35/6+42/40 35/10+42/40 35/14+42/40