Add 70/15 and 7/40
1st number: 4 10/15, 2nd number: 7/40
70/15 + 7/40 is 581/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
70/15 = 70 × 8/15 × 8 = 560/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Add the two like fractions:
560/120 + 21/120 = 560 + 21/120 = 581/120 - So, 70/15 + 7/40 = 581/120
In mixed form: 4101/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+14/40 70/30+7/40 70/15+7/80 70/15+21/40 70/45+7/40 70/15+35/40 70/75+7/40 70/15+49/40