Add 72/98 and 14/90
72/98 + 14/90 is 1963/2205.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
72/98 = 72 × 45/98 × 45 = 3240/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
14/90 = 14 × 49/90 × 49 = 686/4410 - Add the two like fractions:
3240/4410 + 686/4410 = 3240 + 686/4410 = 3926/4410 - 3926/4410 simplified gives 1963/2205
- So, 72/98 + 14/90 = 1963/2205
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+28/90 72/98+42/90 72/98+70/90 72/98+98/90