Add 27/70 and 60/80
27/70 + 60/80 is 159/140.
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,
27/70 = 27 × 8/70 × 8 = 216/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
60/80 = 60 × 7/80 × 7 = 420/560 - Add the two like fractions:
216/560 + 420/560 = 216 + 420/560 = 636/560 - 636/560 simplified gives 159/140
- So, 27/70 + 60/80 = 159/140
In mixed form: 119/140
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