Add 42/40 and 18/49
1st number: 1 2/40, 2nd number: 18/49
42/40 + 18/49 is 1389/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
42/40 = 42 × 49/40 × 49 = 2058/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
18/49 = 18 × 40/49 × 40 = 720/1960 - Add the two like fractions:
2058/1960 + 720/1960 = 2058 + 720/1960 = 2778/1960 - 2778/1960 simplified gives 1389/980
- So, 42/40 + 18/49 = 1389/980
In mixed form: 1409/980
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