Add 28/20 and 15/48
1st number: 1 8/20, 2nd number: 15/48
28/20 + 15/48 is 137/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
28/20 = 28 × 12/20 × 12 = 336/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
15/48 = 15 × 5/48 × 5 = 75/240 - Add the two like fractions:
336/240 + 75/240 = 336 + 75/240 = 411/240 - 411/240 simplified gives 137/80
- So, 28/20 + 15/48 = 137/80
In mixed form: 157/80
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