Add 81/56 and 6/30
1st number: 1 25/56, 2nd number: 6/30
81/56 + 6/30 is 461/280.
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,
81/56 = 81 × 15/56 × 15 = 1215/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
6/30 = 6 × 28/30 × 28 = 168/840 - Add the two like fractions:
1215/840 + 168/840 = 1215 + 168/840 = 1383/840 - 1383/840 simplified gives 461/280
- So, 81/56 + 6/30 = 461/280
In mixed form: 1181/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/56+12/30 81/56+6/60 81/56+18/30 81/56+6/90 81/56+42/30