Add 45/49 and 4/40
45/49 + 4/40 is 499/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
45/49 = 45 × 40/49 × 40 = 1800/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
4/40 = 4 × 49/40 × 49 = 196/1960 - Add the two like fractions:
1800/1960 + 196/1960 = 1800 + 196/1960 = 1996/1960 - 1996/1960 simplified gives 499/490
- So, 45/49 + 4/40 = 499/490
In mixed form: 19/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49+4/40 45/49+8/40 45/98+4/40 45/49+4/80 45/49+12/40 45/49+20/40 45/49+28/40