Add 45/3 and 10/40
1st number: 15 0/3, 2nd number: 10/40
45/3 + 10/40 is 61/4.
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,
45/3 = 45 × 40/3 × 40 = 1800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120 - Add the two like fractions:
1800/120 + 30/120 = 1800 + 30/120 = 1830/120 - 1830/120 simplified gives 61/4
- So, 45/3 + 10/40 = 61/4
In mixed form: 151/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+10/40 45/3+20/40 45/6+10/40 45/3+10/80 45/3+30/40 45/9+10/40 45/3+50/40 45/15+10/40 45/3+70/40 45/21+10/40