Add 36/70 and 70/80
36/70 + 70/80 is 389/280.
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,
36/70 = 36 × 8/70 × 8 = 288/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
70/80 = 70 × 7/80 × 7 = 490/560 - Add the two like fractions:
288/560 + 490/560 = 288 + 490/560 = 778/560 - 778/560 simplified gives 389/280
- So, 36/70 + 70/80 = 389/280
In mixed form: 1109/280
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