Add 49/12 and 20/70
1st number: 4 1/12, 2nd number: 20/70
49/12 + 20/70 is 367/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
49/12 = 49 × 35/12 × 35 = 1715/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
20/70 = 20 × 6/70 × 6 = 120/420 - Add the two like fractions:
1715/420 + 120/420 = 1715 + 120/420 = 1835/420 - 1835/420 simplified gives 367/84
- So, 49/12 + 20/70 = 367/84
In mixed form: 431/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+20/70 49/12+40/70 49/24+20/70 49/12+60/70 49/36+20/70 49/60+20/70 49/84+20/70