Add 90/36 and 8/42
1st number: 2 18/36, 2nd number: 8/42
90/36 + 8/42 is 113/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
90/36 = 90 × 7/36 × 7 = 630/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
8/42 = 8 × 6/42 × 6 = 48/252 - Add the two like fractions:
630/252 + 48/252 = 630 + 48/252 = 678/252 - 678/252 simplified gives 113/42
- So, 90/36 + 8/42 = 113/42
In mixed form: 229/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+16/42 90/72+8/42 90/36+8/84 90/36+24/42 90/36+40/42 90/36+56/42