Add 21/30 and 63/48
1st number: 21/30, 2nd number: 1 15/48
21/30 + 63/48 is 161/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
21/30 = 21 × 8/30 × 8 = 168/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
63/48 = 63 × 5/48 × 5 = 315/240 - Add the two like fractions:
168/240 + 315/240 = 168 + 315/240 = 483/240 - 483/240 simplified gives 161/80
- So, 21/30 + 63/48 = 161/80
In mixed form: 21/80
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