Add 90/3 and 10/40
1st number: 30 0/3, 2nd number: 10/40
90/3 + 10/40 is 121/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
90/3 = 90 × 40/3 × 40 = 3600/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120 - Add the two like fractions:
3600/120 + 30/120 = 3600 + 30/120 = 3630/120 - 3630/120 simplified gives 121/4
- So, 90/3 + 10/40 = 121/4
In mixed form: 301/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+20/40 90/6+10/40 90/3+10/80 90/3+30/40 90/9+10/40 90/3+50/40 90/15+10/40 90/3+70/40 90/21+10/40