Add 3/40 and 21/24
3/40 + 21/24 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Add the two like fractions:
9/120 + 105/120 = 9 + 105/120 = 114/120 - 114/120 simplified gives 19/20
- So, 3/40 + 21/24 = 19/20
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