Add 40/70 and 10/80
40/70 + 10/80 is 39/56.
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,
40/70 = 40 × 8/70 × 8 = 320/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
10/80 = 10 × 7/80 × 7 = 70/560 - Add the two like fractions:
320/560 + 70/560 = 320 + 70/560 = 390/560 - 390/560 simplified gives 39/56
- So, 40/70 + 10/80 = 39/56
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