Add 45/14 and 48/40
1st number: 3 3/14, 2nd number: 1 8/40
45/14 + 48/40 is 309/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
45/14 = 45 × 20/14 × 20 = 900/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
48/40 = 48 × 7/40 × 7 = 336/280 - Add the two like fractions:
900/280 + 336/280 = 900 + 336/280 = 1236/280 - 1236/280 simplified gives 309/70
- So, 45/14 + 48/40 = 309/70
In mixed form: 429/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+48/40 45/14+96/40 45/28+48/40 45/14+48/80 45/42+48/40 45/70+48/40 45/98+48/40