Add 80/49 and 12/40
1st number: 1 31/49, 2nd number: 12/40
80/49 + 12/40 is 947/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
80/49 = 80 × 40/49 × 40 = 3200/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
12/40 = 12 × 49/40 × 49 = 588/1960 - Add the two like fractions:
3200/1960 + 588/1960 = 3200 + 588/1960 = 3788/1960 - 3788/1960 simplified gives 947/490
- So, 80/49 + 12/40 = 947/490
In mixed form: 1457/490
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