Add 21/60 and 75/16
1st number: 21/60, 2nd number: 4 11/16
21/60 + 75/16 is 403/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
21/60 = 21 × 4/60 × 4 = 84/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
75/16 = 75 × 15/16 × 15 = 1125/240 - Add the two like fractions:
84/240 + 1125/240 = 84 + 1125/240 = 1209/240 - 1209/240 simplified gives 403/80
- So, 21/60 + 75/16 = 403/80
In mixed form: 53/80
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