Add 12/40 and 90/49
1st number: 12/40, 2nd number: 1 41/49
12/40 + 90/49 is 1047/490.
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,
12/40 = 12 × 49/40 × 49 = 588/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
90/49 = 90 × 40/49 × 40 = 3600/1960 - Add the two like fractions:
588/1960 + 3600/1960 = 588 + 3600/1960 = 4188/1960 - 4188/1960 simplified gives 1047/490
- So, 12/40 + 90/49 = 1047/490
In mixed form: 267/490
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