Add 40/48 and 21/30
40/48 + 21/30 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
40/48 = 40 × 5/48 × 5 = 200/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
21/30 = 21 × 8/30 × 8 = 168/240 - Add the two like fractions:
200/240 + 168/240 = 200 + 168/240 = 368/240 - 368/240 simplified gives 23/15
- So, 40/48 + 21/30 = 23/15
In mixed form: 18/15
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