Add 45/30 and 18/14
1st number: 1 15/30, 2nd number: 1 4/14
45/30 + 18/14 is 39/14.
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,
45/30 = 45 × 7/30 × 7 = 315/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
18/14 = 18 × 15/14 × 15 = 270/210 - Add the two like fractions:
315/210 + 270/210 = 315 + 270/210 = 585/210 - 585/210 simplified gives 39/14
- So, 45/30 + 18/14 = 39/14
In mixed form: 211/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+18/14 45/30+36/14 45/60+18/14 45/30+18/28 45/30+54/14 45/90+18/14 45/30+18/42 45/30+90/14 45/30+18/70 45/30+18/98