Add 90/98 and 70/4
1st number: 90/98, 2nd number: 17 2/4
90/98 + 70/4 is 1805/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
90/98 = 90 × 2/98 × 2 = 180/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
70/4 = 70 × 49/4 × 49 = 3430/196 - Add the two like fractions:
180/196 + 3430/196 = 180 + 3430/196 = 3610/196 - 3610/196 simplified gives 1805/98
- So, 90/98 + 70/4 = 1805/98
In mixed form: 1841/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+70/8 90/98+70/12 90/98+70/20 90/98+70/28