Add 21/48 and 16/20
21/48 + 16/20 is 99/80.
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,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
16/20 = 16 × 12/20 × 12 = 192/240 - Add the two like fractions:
105/240 + 192/240 = 105 + 192/240 = 297/240 - 297/240 simplified gives 99/80
- So, 21/48 + 16/20 = 99/80
In mixed form: 119/80
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