Add 90/72 and 8/6
1st number: 1 18/72, 2nd number: 1 2/6
90/72 + 8/6 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
8/6 = 8 × 12/6 × 12 = 96/72 - Add the two like fractions:
90/72 + 96/72 = 90 + 96/72 = 186/72 - 186/72 simplified gives 31/12
- So, 90/72 + 8/6 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+16/6 90/72+8/12 90/72+24/6 90/72+8/18 90/72+40/6 90/72+8/30 90/72+56/6 90/72+8/42