Add 90/36 and 8/7
1st number: 2 18/36, 2nd number: 1 1/7
90/36 + 8/7 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 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 7 × 36 = 252,
8/7 = 8 × 36/7 × 36 = 288/252 - Add the two like fractions:
630/252 + 288/252 = 630 + 288/252 = 918/252 - 918/252 simplified gives 51/14
- So, 90/36 + 8/7 = 51/14
In mixed form: 39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+16/7 90/72+8/7 90/36+8/14 90/36+24/7 90/36+8/21 90/36+40/7 90/36+8/35 90/36+56/7 90/36+8/49