Add 45/3 and 49/40
1st number: 15 0/3, 2nd number: 1 9/40
45/3 + 49/40 is 649/40.
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,
49/40 = 49 × 3/40 × 3 = 147/120 - Add the two like fractions:
1800/120 + 147/120 = 1800 + 147/120 = 1947/120 - 1947/120 simplified gives 649/40
- So, 45/3 + 49/40 = 649/40
In mixed form: 169/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+49/40 45/3+98/40 45/6+49/40 45/3+49/80 45/9+49/40 45/15+49/40 45/21+49/40