Add 49/70 and 8/20
49/70 + 8/20 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
49/70 = 49 × 2/70 × 2 = 98/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Add the two like fractions:
98/140 + 56/140 = 98 + 56/140 = 154/140 - 154/140 simplified gives 11/10
- So, 49/70 + 8/20 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+8/20 49/70+16/20 49/70+8/40 49/70+24/20 49/70+8/60 49/70+40/20 49/70+56/20