Add 72/48 and 90/84
1st number: 1 24/48, 2nd number: 1 6/84
72/48 + 90/84 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
72/48 = 72 × 7/48 × 7 = 504/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
90/84 = 90 × 4/84 × 4 = 360/336 - Add the two like fractions:
504/336 + 360/336 = 504 + 360/336 = 864/336 - 864/336 simplified gives 18/7
- So, 72/48 + 90/84 = 18/7
In mixed form: 24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/96+90/84