Add 45/40 and 75/14
1st number: 1 5/40, 2nd number: 5 5/14
45/40 + 75/14 is 363/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
75/14 = 75 × 20/14 × 20 = 1500/280 - Add the two like fractions:
315/280 + 1500/280 = 315 + 1500/280 = 1815/280 - 1815/280 simplified gives 363/56
- So, 45/40 + 75/14 = 363/56
In mixed form: 627/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+75/14 45/80+75/14 45/40+75/28 45/40+75/42 45/40+75/70 45/40+75/98