Add 30/48 and 72/30
1st number: 30/48, 2nd number: 2 12/30
30/48 + 72/30 is 121/40.
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,
30/48 = 30 × 5/48 × 5 = 150/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
72/30 = 72 × 8/30 × 8 = 576/240 - Add the two like fractions:
150/240 + 576/240 = 150 + 576/240 = 726/240 - 726/240 simplified gives 121/40
- So, 30/48 + 72/30 = 121/40
In mixed form: 31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/48+72/30 30/96+72/30 30/48+72/60 90/48+72/30 30/48+72/90