Add 3/21 and 20/48
3/21 + 20/48 is 47/84.
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,
3/21 = 3 × 16/21 × 16 = 48/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
20/48 = 20 × 7/48 × 7 = 140/336 - Add the two like fractions:
48/336 + 140/336 = 48 + 140/336 = 188/336 - 188/336 simplified gives 47/84
- So, 3/21 + 20/48 = 47/84
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