Add 70/49 and 7/18, Solve 1 21/49 + 7/18 as a fraction

Add 70/49 and 7/18

1^st number: 1 21/49, 2^nd number: 7/18

70/49 + 7/18 is 229/126.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 49 × 18 = 882,
70/49 = 70 × 18/49 × 18 = 1260/882
Likewise, for the 2nd fraction, since 18 × 49 = 882,
7/18 = 7 × 49/18 × 49 = 343/882
Add the two like fractions:
1260/882 + 343/882 = 1260 + 343/882 = 1603/882
1603/882 simplified gives 229/126
So, 70/49 + 7/18 = 229/126
In mixed form: 1103/126

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad