Add 7/49 and 8/20
7/49 + 8/20 is 19/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
7/49 = 7 × 20/49 × 20 = 140/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
8/20 = 8 × 49/20 × 49 = 392/980 - Add the two like fractions:
140/980 + 392/980 = 140 + 392/980 = 532/980 - 532/980 simplified gives 19/35
- So, 7/49 + 8/20 = 19/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/49+8/20 7/49+16/20 7/98+8/20 7/49+8/40 21/49+8/20 7/49+24/20 7/49+8/60 35/49+8/20 7/49+40/20 7/49+56/20