Add 72/14 and 90/98
1st number: 5 2/14, 2nd number: 90/98
72/14 + 90/98 is 297/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 98 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
72/14 = 72 × 7/14 × 7 = 504/98 - Likewise, for the 2nd fraction, since 98 × 1 = 98,
90/98 = 90 × 1/98 × 1 = 90/98 - Add the two like fractions:
504/98 + 90/98 = 504 + 90/98 = 594/98 - 594/98 simplified gives 297/49
- So, 72/14 + 90/98 = 297/49
In mixed form: 63/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+90/98 72/42+90/98 72/70+90/98 72/98+90/98