Add 15/30 and 90/14
1st number: 15/30, 2nd number: 6 6/14
15/30 + 90/14 is 97/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
15/30 = 15 × 7/30 × 7 = 105/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
90/14 = 90 × 15/14 × 15 = 1350/210 - Add the two like fractions:
105/210 + 1350/210 = 105 + 1350/210 = 1455/210 - 1455/210 simplified gives 97/14
- So, 15/30 + 90/14 = 97/14
In mixed form: 613/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/60+90/14 15/30+90/28 45/30+90/14 15/90+90/14 15/30+90/42 75/30+90/14 15/30+90/70 15/30+90/98