Add 49/42 and 8/80
1st number: 1 7/42, 2nd number: 8/80
49/42 + 8/80 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
49/42 = 49 × 40/42 × 40 = 1960/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
8/80 = 8 × 21/80 × 21 = 168/1680 - Add the two like fractions:
1960/1680 + 168/1680 = 1960 + 168/1680 = 2128/1680 - 2128/1680 simplified gives 19/15
- So, 49/42 + 8/80 = 19/15
In mixed form: 14/15
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