Add 8/40 and 5/98
8/40 + 5/98 is 123/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
8/40 = 8 × 49/40 × 49 = 392/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
5/98 = 5 × 20/98 × 20 = 100/1960 - Add the two like fractions:
392/1960 + 100/1960 = 392 + 100/1960 = 492/1960 - 492/1960 simplified gives 123/490
- So, 8/40 + 5/98 = 123/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40+5/98 8/40+10/98 8/80+5/98 24/40+5/98 8/40+15/98 8/40+25/98 56/40+5/98 8/40+35/98