Add 1/30 and 70/80
1/30 + 70/80 is 109/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
1/30 = 1 × 8/30 × 8 = 8/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
70/80 = 70 × 3/80 × 3 = 210/240 - Add the two like fractions:
8/240 + 210/240 = 8 + 210/240 = 218/240 - 218/240 simplified gives 109/120
- So, 1/30 + 70/80 = 109/120
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