Add 28/48 and 9/20
28/48 + 9/20 is 31/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
28/48 = 28 × 5/48 × 5 = 140/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
9/20 = 9 × 12/20 × 12 = 108/240 - Add the two like fractions:
140/240 + 108/240 = 140 + 108/240 = 248/240 - 248/240 simplified gives 31/30
- So, 28/48 + 9/20 = 31/30
In mixed form: 11/30
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