Add 21/24 and 42/9
1st number: 21/24, 2nd number: 4 6/9
21/24 + 42/9 is 133/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72 - Add the two like fractions:
63/72 + 336/72 = 63 + 336/72 = 399/72 - 399/72 simplified gives 133/24
- So, 21/24 + 42/9 = 133/24
In mixed form: 513/24
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