Add 16/30 and 8/40
16/30 + 8/40 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
16/30 = 16 × 4/30 × 4 = 64/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120 - Add the two like fractions:
64/120 + 24/120 = 64 + 24/120 = 88/120 - 88/120 simplified gives 11/15
- So, 16/30 + 8/40 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30+8/40 16/30+16/40 16/60+8/40 16/30+8/80 48/30+8/40 16/30+24/40 16/90+8/40 80/30+8/40 16/30+56/40