Add 90/28 and 1/30
1st number: 3 6/28, 2nd number: 1/30
90/28 + 1/30 is 341/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
90/28 = 90 × 15/28 × 15 = 1350/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
1/30 = 1 × 14/30 × 14 = 14/420 - Add the two like fractions:
1350/420 + 14/420 = 1350 + 14/420 = 1364/420 - 1364/420 simplified gives 341/105
- So, 90/28 + 1/30 = 341/105
In mixed form: 326/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+2/30 90/56+1/30 90/28+1/60 90/28+3/30 90/84+1/30 90/28+1/90 90/28+5/30 90/28+7/30