Add 42/98 and 7/70
42/98 + 7/70 is 37/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
42/98 = 42 × 5/98 × 5 = 210/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
7/70 = 7 × 7/70 × 7 = 49/490 - Add the two like fractions:
210/490 + 49/490 = 210 + 49/490 = 259/490 - 259/490 simplified gives 37/70
- So, 42/98 + 7/70 = 37/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+7/70 42/98+14/70 42/98+21/70 42/98+35/70 42/98+49/70