Add 54/98 and 12/70
54/98 + 12/70 is 177/245.
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,
54/98 = 54 × 5/98 × 5 = 270/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
12/70 = 12 × 7/70 × 7 = 84/490 - Add the two like fractions:
270/490 + 84/490 = 270 + 84/490 = 354/490 - 354/490 simplified gives 177/245
- So, 54/98 + 12/70 = 177/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98+24/70 54/98+36/70 54/98+60/70 54/98+84/70