Add 12/70 and 20/80
12/70 + 20/80 is 59/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
12/70 = 12 × 8/70 × 8 = 96/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560 - Add the two like fractions:
96/560 + 140/560 = 96 + 140/560 = 236/560 - 236/560 simplified gives 59/140
- So, 12/70 + 20/80 = 59/140
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