Add 75/84 and 5/10
75/84 + 5/10 is 39/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
5/10 = 5 × 42/10 × 42 = 210/420 - Add the two like fractions:
375/420 + 210/420 = 375 + 210/420 = 585/420 - 585/420 simplified gives 39/28
- So, 75/84 + 5/10 = 39/28
In mixed form: 111/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/84+5/20 75/84+15/10 75/84+5/30 75/84+25/10 75/84+5/50 75/84+35/10 75/84+5/70