Add 54/56 and 84/30
1st number: 54/56, 2nd number: 2 24/30
54/56 + 84/30 is 527/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
54/56 = 54 × 15/56 × 15 = 810/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
84/30 = 84 × 28/30 × 28 = 2352/840 - Add the two like fractions:
810/840 + 2352/840 = 810 + 2352/840 = 3162/840 - 3162/840 simplified gives 527/140
- So, 54/56 + 84/30 = 527/140
In mixed form: 3107/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+84/60 54/56+84/90