Add 42/40 and 35/10
1st number: 1 2/40, 2nd number: 3 5/10
42/40 + 35/10 is 91/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
35/10 = 35 × 4/10 × 4 = 140/40 - Add the two like fractions:
42/40 + 140/40 = 42 + 140/40 = 182/40 - 182/40 simplified gives 91/20
- So, 42/40 + 35/10 = 91/20
In mixed form: 411/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+35/10 42/40+70/10 42/80+35/10 42/40+35/20 42/40+35/30 42/40+35/50 42/40+35/70