Add 45/40 and 2/28
1st number: 1 5/40, 2nd number: 2/28
45/40 + 2/28 is 67/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 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 28 × 10 = 280,
2/28 = 2 × 10/28 × 10 = 20/280 - Add the two like fractions:
315/280 + 20/280 = 315 + 20/280 = 335/280 - 335/280 simplified gives 67/56
- So, 45/40 + 2/28 = 67/56
In mixed form: 111/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+2/28 45/40+4/28 45/80+2/28 45/40+2/56 45/40+6/28 45/40+2/84 45/40+10/28 45/40+14/28