Add 72/48 and 36/90
1st number: 1 24/48, 2nd number: 36/90
72/48 + 36/90 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
72/48 = 72 × 15/48 × 15 = 1080/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
36/90 = 36 × 8/90 × 8 = 288/720 - Add the two like fractions:
1080/720 + 288/720 = 1080 + 288/720 = 1368/720 - 1368/720 simplified gives 19/10
- So, 72/48 + 36/90 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/48+72/90 72/96+36/90