Add 21/49 and 20/48
21/49 + 20/48 is 71/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 48 is 2352
Next, find the equivalent fraction of both fractional numbers with denominator 2352 - For the 1st fraction, since 49 × 48 = 2352,
21/49 = 21 × 48/49 × 48 = 1008/2352 - Likewise, for the 2nd fraction, since 48 × 49 = 2352,
20/48 = 20 × 49/48 × 49 = 980/2352 - Add the two like fractions:
1008/2352 + 980/2352 = 1008 + 980/2352 = 1988/2352 - 1988/2352 simplified gives 71/84
- So, 21/49 + 20/48 = 71/84
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