Add 10/8 and 12/90
1st number: 1 2/8, 2nd number: 12/90
10/8 + 12/90 is 83/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
10/8 = 10 × 45/8 × 45 = 450/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
12/90 = 12 × 4/90 × 4 = 48/360 - Add the two like fractions:
450/360 + 48/360 = 450 + 48/360 = 498/360 - 498/360 simplified gives 83/60
- So, 10/8 + 12/90 = 83/60
In mixed form: 123/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+12/90 10/8+24/90 10/16+12/90 30/8+12/90 10/8+36/90 10/24+12/90 50/8+12/90 10/8+60/90 10/40+12/90 70/8+12/90 10/8+84/90 10/56+12/90