Add 21/70 and 5/3
1st number: 21/70, 2nd number: 1 2/3
21/70 + 5/3 is 59/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
5/3 = 5 × 70/3 × 70 = 350/210 - Add the two like fractions:
63/210 + 350/210 = 63 + 350/210 = 413/210 - 413/210 simplified gives 59/30
- So, 21/70 + 5/3 = 59/30
In mixed form: 129/30
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