Add 90/21 and 2/70
1st number: 4 6/21, 2nd number: 2/70
90/21 + 2/70 is 151/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
90/21 = 90 × 10/21 × 10 = 900/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
2/70 = 2 × 3/70 × 3 = 6/210 - Add the two like fractions:
900/210 + 6/210 = 900 + 6/210 = 906/210 - 906/210 simplified gives 151/35
- So, 90/21 + 2/70 = 151/35
In mixed form: 411/35
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