Add 18/70 and 80/36
1st number: 18/70, 2nd number: 2 8/36
18/70 + 80/36 is 781/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
18/70 = 18 × 18/70 × 18 = 324/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
80/36 = 80 × 35/36 × 35 = 2800/1260 - Add the two like fractions:
324/1260 + 2800/1260 = 324 + 2800/1260 = 3124/1260 - 3124/1260 simplified gives 781/315
- So, 18/70 + 80/36 = 781/315
In mixed form: 2151/315
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