Add 20/48 and 4/21
20/48 + 4/21 is 17/28.
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,
20/48 = 20 × 7/48 × 7 = 140/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
4/21 = 4 × 16/21 × 16 = 64/336 - Add the two like fractions:
140/336 + 64/336 = 140 + 64/336 = 204/336 - 204/336 simplified gives 17/28
- So, 20/48 + 4/21 = 17/28
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