Add 49/12 and 90/72
1st number: 4 1/12, 2nd number: 1 18/72
49/12 + 90/72 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
49/12 = 49 × 6/12 × 6 = 294/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
294/72 + 90/72 = 294 + 90/72 = 384/72 - 384/72 simplified gives 16/3
- So, 49/12 + 90/72 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+90/72 49/24+90/72 49/36+90/72 49/60+90/72 49/84+90/72