Add 42/21 and 18/48
1st number: 2 0/21, 2nd number: 18/48
42/21 + 18/48 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
42/21 = 42 × 16/21 × 16 = 672/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
18/48 = 18 × 7/48 × 7 = 126/336 - Add the two like fractions:
672/336 + 126/336 = 672 + 126/336 = 798/336 - 798/336 simplified gives 19/8
- So, 42/21 + 18/48 = 19/8
In mixed form: 23/8
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