Add 2/80 and 90/70
1st number: 2/80, 2nd number: 1 20/70
2/80 + 90/70 is 367/280.
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,
2/80 = 2 × 7/80 × 7 = 14/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Add the two like fractions:
14/560 + 720/560 = 14 + 720/560 = 734/560 - 734/560 simplified gives 367/280
- So, 2/80 + 90/70 = 367/280
In mixed form: 187/280
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