Add 6/80 and 90/70
1st number: 6/80, 2nd number: 1 20/70
6/80 + 90/70 is 381/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
6/80 = 6 × 7/80 × 7 = 42/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Add the two like fractions:
42/560 + 720/560 = 42 + 720/560 = 762/560 - 762/560 simplified gives 381/280
- So, 6/80 + 90/70 = 381/280
In mixed form: 1101/280
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