Add 40/70 and 45/98
40/70 + 45/98 is 101/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
40/70 = 40 × 7/70 × 7 = 280/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
45/98 = 45 × 5/98 × 5 = 225/490 - Add the two like fractions:
280/490 + 225/490 = 280 + 225/490 = 505/490 - 505/490 simplified gives 101/98
- So, 40/70 + 45/98 = 101/98
In mixed form: 13/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+45/98 40/70+90/98