Add 42/36 and 90/35
1st number: 1 6/36, 2nd number: 2 20/35
42/36 + 90/35 is 157/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
42/36 = 42 × 35/36 × 35 = 1470/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
90/35 = 90 × 36/35 × 36 = 3240/1260 - Add the two like fractions:
1470/1260 + 3240/1260 = 1470 + 3240/1260 = 4710/1260 - 4710/1260 simplified gives 157/42
- So, 42/36 + 90/35 = 157/42
In mixed form: 331/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+90/35 42/72+90/35 42/36+90/70