Add 18/48 and 21/40
18/48 + 21/40 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
21/40 = 21 × 6/40 × 6 = 126/240 - Add the two like fractions:
90/240 + 126/240 = 90 + 126/240 = 216/240 - 216/240 simplified gives 9/10
- So, 18/48 + 21/40 = 9/10
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