Add 3/10 and 18/80
3/10 + 18/80 is 21/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
3/10 = 3 × 8/10 × 8 = 24/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80 - Add the two like fractions:
24/80 + 18/80 = 24 + 18/80 = 42/80 - 42/80 simplified gives 21/40
- So, 3/10 + 18/80 = 21/40
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