Add 60/56 and 80/30
1st number: 1 4/56, 2nd number: 2 20/30
60/56 + 80/30 is 157/42.
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,
60/56 = 60 × 15/56 × 15 = 900/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
80/30 = 80 × 28/30 × 28 = 2240/840 - Add the two like fractions:
900/840 + 2240/840 = 900 + 2240/840 = 3140/840 - 3140/840 simplified gives 157/42
- So, 60/56 + 80/30 = 157/42
In mixed form: 331/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/56+80/60 60/56+80/90