Add 21/35 and 18/48
21/35 + 18/48 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 35 × 48 = 1680,
21/35 = 21 × 48/35 × 48 = 1008/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
18/48 = 18 × 35/48 × 35 = 630/1680 - Add the two like fractions:
1008/1680 + 630/1680 = 1008 + 630/1680 = 1638/1680 - 1638/1680 simplified gives 39/40
- So, 21/35 + 18/48 = 39/40
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