Add 45/48 and 21/5
1st number: 45/48, 2nd number: 4 1/5
45/48 + 21/5 is 411/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 5 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 5 × 48 = 240,
21/5 = 21 × 48/5 × 48 = 1008/240 - Add the two like fractions:
225/240 + 1008/240 = 225 + 1008/240 = 1233/240 - 1233/240 simplified gives 411/80
- So, 45/48 + 21/5 = 411/80
In mixed form: 511/80
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