Add 5/10 and 21/80
5/10 + 21/80 is 61/80.
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,
5/10 = 5 × 8/10 × 8 = 40/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
21/80 = 21 × 1/80 × 1 = 21/80 - Add the two like fractions:
40/80 + 21/80 = 40 + 21/80 = 61/80 - So, 5/10 + 21/80 = 61/80
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