Add 42/40 and 36/25
1st number: 1 2/40, 2nd number: 1 11/25
42/40 + 36/25 is 249/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
42/40 = 42 × 5/40 × 5 = 210/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
36/25 = 36 × 8/25 × 8 = 288/200 - Add the two like fractions:
210/200 + 288/200 = 210 + 288/200 = 498/200 - 498/200 simplified gives 249/100
- So, 42/40 + 36/25 = 249/100
In mixed form: 249/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+36/25 42/40+72/25 42/80+36/25 42/40+36/50 42/40+36/75