Add 30/48 and 40/70
30/48 + 40/70 is 67/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
30/48 = 30 × 35/48 × 35 = 1050/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
40/70 = 40 × 24/70 × 24 = 960/1680 - Add the two like fractions:
1050/1680 + 960/1680 = 1050 + 960/1680 = 2010/1680 - 2010/1680 simplified gives 67/56
- So, 30/48 + 40/70 = 67/56
In mixed form: 111/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/48+40/70 30/48+80/70 30/96+40/70 90/48+40/70