Add 3/40 and 8/10
3/40 + 8/10 is 7/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
8/10 = 8 × 4/10 × 4 = 32/40 - Add the two like fractions:
3/40 + 32/40 = 3 + 32/40 = 35/40 - 35/40 simplified gives 7/8
- So, 3/40 + 8/10 = 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40+8/10 3/40+16/10 3/80+8/10 3/40+8/20 9/40+8/10 3/40+24/10 3/40+8/30 15/40+8/10 3/40+40/10 3/40+8/50 21/40+8/10 3/40+56/10 3/40+8/70