Add 90/75 and 45/10
1st number: 1 15/75, 2nd number: 4 5/10
90/75 + 45/10 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
90/75 = 90 × 2/75 × 2 = 180/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
45/10 = 45 × 15/10 × 15 = 675/150 - Add the two like fractions:
180/150 + 675/150 = 180 + 675/150 = 855/150 - 855/150 simplified gives 57/10
- So, 90/75 + 45/10 = 57/10
In mixed form: 57/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+90/10 90/75+45/20 90/75+45/30 90/75+45/50 90/75+45/70