Add 90/70 and 8/30
1st number: 1 20/70, 2nd number: 8/30
90/70 + 8/30 is 163/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210 - Add the two like fractions:
270/210 + 56/210 = 270 + 56/210 = 326/210 - 326/210 simplified gives 163/105
- So, 90/70 + 8/30 = 163/105
In mixed form: 158/105
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