Add 21/48 and 70/30
1st number: 21/48, 2nd number: 2 10/30
21/48 + 70/30 is 133/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
70/30 = 70 × 8/30 × 8 = 560/240 - Add the two like fractions:
105/240 + 560/240 = 105 + 560/240 = 665/240 - 665/240 simplified gives 133/48
- So, 21/48 + 70/30 = 133/48
In mixed form: 237/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48+70/30 21/96+70/30 21/48+70/60 63/48+70/30 21/48+70/90