Add 9/70 and 49/12
1st number: 9/70, 2nd number: 4 1/12
9/70 + 49/12 is 1769/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
9/70 = 9 × 6/70 × 6 = 54/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
49/12 = 49 × 35/12 × 35 = 1715/420 - Add the two like fractions:
54/420 + 1715/420 = 54 + 1715/420 = 1769/420 - So, 9/70 + 49/12 = 1769/420
In mixed form: 489/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+49/12 9/70+98/12 9/70+49/24 27/70+49/12 9/70+49/36 45/70+49/12 9/70+49/60 63/70+49/12 9/70+49/84