Add 21/48 and 18/28
21/48 + 18/28 is 121/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 28 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Likewise, for the 2nd fraction, since 28 × 12 = 336,
18/28 = 18 × 12/28 × 12 = 216/336 - Add the two like fractions:
147/336 + 216/336 = 147 + 216/336 = 363/336 - 363/336 simplified gives 121/112
- So, 21/48 + 18/28 = 121/112
In mixed form: 19/112
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