Add 10/60 and 21/40
10/60 + 21/40 is 83/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
10/60 = 10 × 2/60 × 2 = 20/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
21/40 = 21 × 3/40 × 3 = 63/120 - Add the two like fractions:
20/120 + 63/120 = 20 + 63/120 = 83/120 - So, 10/60 + 21/40 = 83/120
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