Add 90/30 and 5/70
1st number: 3 0/30, 2nd number: 5/70
90/30 + 5/70 is 43/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
90/30 = 90 × 7/30 × 7 = 630/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
5/70 = 5 × 3/70 × 3 = 15/210 - Add the two like fractions:
630/210 + 15/210 = 630 + 15/210 = 645/210 - 645/210 simplified gives 43/14
- So, 90/30 + 5/70 = 43/14
In mixed form: 31/14
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