Add 45/48 and 4/20
45/48 + 4/20 is 91/80.
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,
45/48 = 45 × 5/48 × 5 = 225/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
4/20 = 4 × 12/20 × 12 = 48/240 - Add the two like fractions:
225/240 + 48/240 = 225 + 48/240 = 273/240 - 273/240 simplified gives 91/80
- So, 45/48 + 4/20 = 91/80
In mixed form: 111/80
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