Add 48/30 and 9/72
1st number: 1 18/30, 2nd number: 9/72
48/30 + 9/72 is 69/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
48/30 = 48 × 12/30 × 12 = 576/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
576/360 + 45/360 = 576 + 45/360 = 621/360 - 621/360 simplified gives 69/40
- So, 48/30 + 9/72 = 69/40
In mixed form: 129/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/30+9/72 48/30+18/72 48/60+9/72 48/30+27/72 48/90+9/72 48/30+45/72 48/30+63/72