Add 84/30 and 18/56
1st number: 2 24/30, 2nd number: 18/56
84/30 + 18/56 is 437/140.
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,
84/30 = 84 × 28/30 × 28 = 2352/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
18/56 = 18 × 15/56 × 15 = 270/840 - Add the two like fractions:
2352/840 + 270/840 = 2352 + 270/840 = 2622/840 - 2622/840 simplified gives 437/140
- So, 84/30 + 18/56 = 437/140
In mixed form: 317/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+36/56 84/60+18/56 84/30+54/56 84/90+18/56 84/30+90/56