Add 12/7 and 18/80
1st number: 1 5/7, 2nd number: 18/80
12/7 + 18/80 is 543/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
12/7 = 12 × 80/7 × 80 = 960/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
18/80 = 18 × 7/80 × 7 = 126/560 - Add the two like fractions:
960/560 + 126/560 = 960 + 126/560 = 1086/560 - 1086/560 simplified gives 543/280
- So, 12/7 + 18/80 = 543/280
In mixed form: 1263/280
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