Add 98/30 and 7/72
1st number: 3 8/30, 2nd number: 7/72
98/30 + 7/72 is 1211/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
98/30 = 98 × 12/30 × 12 = 1176/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
7/72 = 7 × 5/72 × 5 = 35/360 - Add the two like fractions:
1176/360 + 35/360 = 1176 + 35/360 = 1211/360 - So, 98/30 + 7/72 = 1211/360
In mixed form: 3131/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30+14/72 98/60+7/72 98/30+21/72 98/90+7/72 98/30+35/72 98/30+49/72