Add 27/30 and 90/56
1st number: 27/30, 2nd number: 1 34/56
27/30 + 90/56 is 351/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
27/30 = 27 × 28/30 × 28 = 756/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Add the two like fractions:
756/840 + 1350/840 = 756 + 1350/840 = 2106/840 - 2106/840 simplified gives 351/140
- So, 27/30 + 90/56 = 351/140
In mixed form: 271/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+90/56 27/60+90/56 81/30+90/56 27/90+90/56