Add 20/28 and 42/48
20/28 + 42/48 is 89/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
20/28 = 20 × 12/28 × 12 = 240/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
42/48 = 42 × 7/48 × 7 = 294/336 - Add the two like fractions:
240/336 + 294/336 = 240 + 294/336 = 534/336 - 534/336 simplified gives 89/56
- So, 20/28 + 42/48 = 89/56
In mixed form: 133/56
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