Add 70/50 and 30/48
1st number: 1 20/50, 2nd number: 30/48
70/50 + 30/48 is 81/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 50 × 24 = 1200,
70/50 = 70 × 24/50 × 24 = 1680/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
30/48 = 30 × 25/48 × 25 = 750/1200 - Add the two like fractions:
1680/1200 + 750/1200 = 1680 + 750/1200 = 2430/1200 - 2430/1200 simplified gives 81/40
- So, 70/50 + 30/48 = 81/40
In mixed form: 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+60/48 70/50+30/96 70/50+90/48