Add 40/90 and 2/10
40/90 + 2/10 is 29/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
2/10 = 2 × 9/10 × 9 = 18/90 - Add the two like fractions:
40/90 + 18/90 = 40 + 18/90 = 58/90 - 58/90 simplified gives 29/45
- So, 40/90 + 2/10 = 29/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+2/10 40/90+4/10 40/90+2/20 40/90+6/10 40/90+2/30 40/90+2/50 40/90+14/10 40/90+2/70