Add 75/5 and 90/84
1st number: 15 0/5, 2nd number: 1 6/84
75/5 + 90/84 is 225/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
75/5 = 75 × 84/5 × 84 = 6300/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Add the two like fractions:
6300/420 + 450/420 = 6300 + 450/420 = 6750/420 - 6750/420 simplified gives 225/14
- So, 75/5 + 90/84 = 225/14
In mixed form: 161/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10+90/84 75/15+90/84 75/25+90/84 75/35+90/84