Add 49/70 and 30/8
1st number: 49/70, 2nd number: 3 6/8
49/70 + 30/8 is 89/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
49/70 = 49 × 4/70 × 4 = 196/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
30/8 = 30 × 35/8 × 35 = 1050/280 - Add the two like fractions:
196/280 + 1050/280 = 196 + 1050/280 = 1246/280 - 1246/280 simplified gives 89/20
- So, 49/70 + 30/8 = 89/20
In mixed form: 49/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+30/8 49/70+60/8 49/70+30/16 49/70+90/8 49/70+30/24 49/70+30/40 49/70+30/56