Add 28/32 and 90/75
1st number: 28/32, 2nd number: 1 15/75
28/32 + 90/75 is 83/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 75 is 2400
Next, find the equivalent fraction of both fractional numbers with denominator 2400 - For the 1st fraction, since 32 × 75 = 2400,
28/32 = 28 × 75/32 × 75 = 2100/2400 - Likewise, for the 2nd fraction, since 75 × 32 = 2400,
90/75 = 90 × 32/75 × 32 = 2880/2400 - Add the two like fractions:
2100/2400 + 2880/2400 = 2100 + 2880/2400 = 4980/2400 - 4980/2400 simplified gives 83/40
- So, 28/32 + 90/75 = 83/40
In mixed form: 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/32+90/75 28/64+90/75 84/32+90/75 28/96+90/75