Add 12/49 and 84/20
1st number: 12/49, 2nd number: 4 4/20
12/49 + 84/20 is 1089/245.
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,
12/49 = 12 × 20/49 × 20 = 240/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
84/20 = 84 × 49/20 × 49 = 4116/980 - Add the two like fractions:
240/980 + 4116/980 = 240 + 4116/980 = 4356/980 - 4356/980 simplified gives 1089/245
- So, 12/49 + 84/20 = 1089/245
In mixed form: 4109/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/49+84/20 12/98+84/20 12/49+84/40 36/49+84/20 12/49+84/60 60/49+84/20 84/49+84/20