Add 12/90 and 98/5
1st number: 12/90, 2nd number: 19 3/5
12/90 + 98/5 is 296/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
98/5 = 98 × 18/5 × 18 = 1764/90 - Add the two like fractions:
12/90 + 1764/90 = 12 + 1764/90 = 1776/90 - 1776/90 simplified gives 296/15
- So, 12/90 + 98/5 = 296/15
In mixed form: 1911/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90+98/5 12/90+98/10 36/90+98/5 12/90+98/15 60/90+98/5 12/90+98/25 84/90+98/5 12/90+98/35