Add 7/15 and 70/40
1st number: 7/15, 2nd number: 1 30/40
7/15 + 70/40 is 133/60.
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,
7/15 = 7 × 8/15 × 8 = 56/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Add the two like fractions:
56/120 + 210/120 = 56 + 210/120 = 266/120 - 266/120 simplified gives 133/60
- So, 7/15 + 70/40 = 133/60
In mixed form: 213/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+70/40 7/30+70/40 7/15+70/80 21/15+70/40 7/45+70/40 35/15+70/40 7/75+70/40 49/15+70/40