Add 48/56 and 70/30
1st number: 48/56, 2nd number: 2 10/30
48/56 + 70/30 is 67/21.
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,
48/56 = 48 × 15/56 × 15 = 720/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
70/30 = 70 × 28/30 × 28 = 1960/840 - Add the two like fractions:
720/840 + 1960/840 = 720 + 1960/840 = 2680/840 - 2680/840 simplified gives 67/21
- So, 48/56 + 70/30 = 67/21
In mixed form: 34/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/56+70/30 48/56+70/60 48/56+70/90