Add 30/48 and 1/21
30/48 + 1/21 is 113/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
30/48 = 30 × 7/48 × 7 = 210/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
1/21 = 1 × 16/21 × 16 = 16/336 - Add the two like fractions:
210/336 + 16/336 = 210 + 16/336 = 226/336 - 226/336 simplified gives 113/168
- So, 30/48 + 1/21 = 113/168
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