Add 40/70 and 4/15
40/70 + 4/15 is 88/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
40/70 = 40 × 3/70 × 3 = 120/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
4/15 = 4 × 14/15 × 14 = 56/210 - Add the two like fractions:
120/210 + 56/210 = 120 + 56/210 = 176/210 - 176/210 simplified gives 88/105
- So, 40/70 + 4/15 = 88/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+4/15 40/70+8/15 40/70+4/30 40/70+12/15 40/70+4/45 40/70+20/15 40/70+4/75 40/70+28/15