Add 18/14 and 90/60
1st number: 1 4/14, 2nd number: 1 30/60
18/14 + 90/60 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
18/14 = 18 × 30/14 × 30 = 540/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
90/60 = 90 × 7/60 × 7 = 630/420 - Add the two like fractions:
540/420 + 630/420 = 540 + 630/420 = 1170/420 - 1170/420 simplified gives 39/14
- So, 18/14 + 90/60 = 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: 36/14+90/60 18/28+90/60 54/14+90/60 18/42+90/60 90/14+90/60 18/70+90/60 18/98+90/60