Add 90/10 and 8/12
1st number: 9 0/10, 2nd number: 8/12
90/10 + 8/12 is 29/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
90/10 = 90 × 6/10 × 6 = 540/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Add the two like fractions:
540/60 + 40/60 = 540 + 40/60 = 580/60 - 580/60 simplified gives 29/3
- So, 90/10 + 8/12 = 29/3
In mixed form: 92/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+16/12 90/20+8/12 90/10+8/24 90/10+24/12 90/30+8/12 90/10+8/36 90/10+40/12 90/50+8/12 90/10+8/60 90/10+56/12 90/70+8/12 90/10+8/84