Add 15/40 and 70/48
1st number: 15/40, 2nd number: 1 22/48
15/40 + 70/48 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
15/40 = 15 × 6/40 × 6 = 90/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
70/48 = 70 × 5/48 × 5 = 350/240 - Add the two like fractions:
90/240 + 350/240 = 90 + 350/240 = 440/240 - 440/240 simplified gives 11/6
- So, 15/40 + 70/48 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+70/48 15/80+70/48 15/40+70/96 45/40+70/48 75/40+70/48