Add 5/80 and 90/70
1st number: 5/80, 2nd number: 1 20/70
5/80 + 90/70 is 151/112.
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,
5/80 = 5 × 7/80 × 7 = 35/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Add the two like fractions:
35/560 + 720/560 = 35 + 720/560 = 755/560 - 755/560 simplified gives 151/112
- So, 5/80 + 90/70 = 151/112
In mixed form: 139/112
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