Add 70/75 and 45/32
1st number: 70/75, 2nd number: 1 13/32
70/75 + 45/32 is 1123/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 32 is 2400
Next, find the equivalent fraction of both fractional numbers with denominator 2400 - For the 1st fraction, since 75 × 32 = 2400,
70/75 = 70 × 32/75 × 32 = 2240/2400 - Likewise, for the 2nd fraction, since 32 × 75 = 2400,
45/32 = 45 × 75/32 × 75 = 3375/2400 - Add the two like fractions:
2240/2400 + 3375/2400 = 2240 + 3375/2400 = 5615/2400 - 5615/2400 simplified gives 1123/480
- So, 70/75 + 45/32 = 1123/480
In mixed form: 2163/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75+90/32 70/75+45/64 70/75+45/96