Add 40/4 and 90/10
1st number: 10 0/4, 2nd number: 9 0/10
40/4 + 90/10 is 19/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
40/4 = 40 × 5/4 × 5 = 200/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Add the two like fractions:
200/20 + 180/20 = 200 + 180/20 = 380/20 - 380/20 simplified gives 19/1
- So, 40/4 + 90/10 = 19/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+90/10 40/8+90/10 40/4+90/20 40/12+90/10 40/4+90/30 40/20+90/10 40/4+90/50 40/28+90/10 40/4+90/70