Add 28/70 and 49/4
1st number: 28/70, 2nd number: 12 1/4
28/70 + 49/4 is 253/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
28/70 = 28 × 2/70 × 2 = 56/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
49/4 = 49 × 35/4 × 35 = 1715/140 - Add the two like fractions:
56/140 + 1715/140 = 56 + 1715/140 = 1771/140 - 1771/140 simplified gives 253/20
- So, 28/70 + 49/4 = 253/20
In mixed form: 1213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70+49/4 28/70+98/4 28/70+49/8 84/70+49/4 28/70+49/12 28/70+49/20 28/70+49/28