Add 42/9 and 21/72
1st number: 4 6/9, 2nd number: 21/72
42/9 + 21/72 is 119/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
336/72 + 21/72 = 336 + 21/72 = 357/72 - 357/72 simplified gives 119/24
- So, 42/9 + 21/72 = 119/24
In mixed form: 423/24
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