Add 21/30 and 72/48
1st number: 21/30, 2nd number: 1 24/48
21/30 + 72/48 is 11/5.
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,
72/48 = 72 × 5/48 × 5 = 360/240 - Add the two like fractions:
168/240 + 360/240 = 168 + 360/240 = 528/240 - 528/240 simplified gives 11/5
- So, 21/30 + 72/48 = 11/5
In mixed form: 21/5
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