Add 50/30 and 90/70
1st number: 1 20/30, 2nd number: 1 20/70
50/30 + 90/70 is 62/21.
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,
50/30 = 50 × 7/30 × 7 = 350/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
350/210 + 270/210 = 350 + 270/210 = 620/210 - 620/210 simplified gives 62/21
- So, 50/30 + 90/70 = 62/21
In mixed form: 220/21
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