Add 3/45 and 70/49
1st number: 3/45, 2nd number: 1 21/49
3/45 + 70/49 is 157/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
3/45 = 3 × 49/45 × 49 = 147/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
70/49 = 70 × 45/49 × 45 = 3150/2205 - Add the two like fractions:
147/2205 + 3150/2205 = 147 + 3150/2205 = 3297/2205 - 3297/2205 simplified gives 157/105
- So, 3/45 + 70/49 = 157/105
In mixed form: 152/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+70/49 3/90+70/49 3/45+70/98 9/45+70/49 15/45+70/49 21/45+70/49