Add 45/98 and 10/40
45/98 + 10/40 is 139/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
45/98 = 45 × 20/98 × 20 = 900/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
10/40 = 10 × 49/40 × 49 = 490/1960 - Add the two like fractions:
900/1960 + 490/1960 = 900 + 490/1960 = 1390/1960 - 1390/1960 simplified gives 139/196
- So, 45/98 + 10/40 = 139/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+10/40 45/98+20/40 45/98+10/80 45/98+30/40 45/98+50/40 45/98+70/40