Add 20/40 and 21/48
20/40 + 21/48 is 15/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
20/40 = 20 × 6/40 × 6 = 120/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Add the two like fractions:
120/240 + 105/240 = 120 + 105/240 = 225/240 - 225/240 simplified gives 15/16
- So, 20/40 + 21/48 = 15/16
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