Add 7/21 and 15/48
7/21 + 15/48 is 31/48.
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,
7/21 = 7 × 16/21 × 16 = 112/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
15/48 = 15 × 7/48 × 7 = 105/336 - Add the two like fractions:
112/336 + 105/336 = 112 + 105/336 = 217/336 - 217/336 simplified gives 31/48
- So, 7/21 + 15/48 = 31/48
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