Add 7/72 and 98/45
1st number: 7/72, 2nd number: 2 8/45
7/72 + 98/45 is 91/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
7/72 = 7 × 5/72 × 5 = 35/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
98/45 = 98 × 8/45 × 8 = 784/360 - Add the two like fractions:
35/360 + 784/360 = 35 + 784/360 = 819/360 - 819/360 simplified gives 91/40
- So, 7/72 + 98/45 = 91/40
In mixed form: 211/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+98/45 7/72+98/90 21/72+98/45 35/72+98/45 49/72+98/45