Add 72/75 and 84/98
72/75 + 84/98 is 318/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 98 is 7350
Next, find the equivalent fraction of both fractional numbers with denominator 7350 - For the 1st fraction, since 75 × 98 = 7350,
72/75 = 72 × 98/75 × 98 = 7056/7350 - Likewise, for the 2nd fraction, since 98 × 75 = 7350,
84/98 = 84 × 75/98 × 75 = 6300/7350 - Add the two like fractions:
7056/7350 + 6300/7350 = 7056 + 6300/7350 = 13356/7350 - 13356/7350 simplified gives 318/175
- So, 72/75 + 84/98 = 318/175
In mixed form: 1143/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: