Add 72/75 and 98/20
1st number: 72/75, 2nd number: 4 18/20
72/75 + 98/20 is 293/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
72/75 = 72 × 4/75 × 4 = 288/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
98/20 = 98 × 15/20 × 15 = 1470/300 - Add the two like fractions:
288/300 + 1470/300 = 288 + 1470/300 = 1758/300 - 1758/300 simplified gives 293/50
- So, 72/75 + 98/20 = 293/50
In mixed form: 543/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75+98/40 72/75+98/60