Add 70/75 and 75/28
1st number: 70/75, 2nd number: 2 19/28
70/75 + 75/28 is 1517/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 28 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
70/75 = 70 × 28/75 × 28 = 1960/2100 - Likewise, for the 2nd fraction, since 28 × 75 = 2100,
75/28 = 75 × 75/28 × 75 = 5625/2100 - Add the two like fractions:
1960/2100 + 5625/2100 = 1960 + 5625/2100 = 7585/2100 - 7585/2100 simplified gives 1517/420
- So, 70/75 + 75/28 = 1517/420
In mixed form: 3257/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75+75/56 70/75+75/84