Add 40/4 and 70/49
1st number: 10 0/4, 2nd number: 1 21/49
40/4 + 70/49 is 80/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
40/4 = 40 × 49/4 × 49 = 1960/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
70/49 = 70 × 4/49 × 4 = 280/196 - Add the two like fractions:
1960/196 + 280/196 = 1960 + 280/196 = 2240/196 - 2240/196 simplified gives 80/7
- So, 40/4 + 70/49 = 80/7
In mixed form: 113/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+70/49 40/8+70/49 40/4+70/98 40/12+70/49 40/20+70/49 40/28+70/49