Add 1/70 and 63/21
1st number: 1/70, 2nd number: 3 0/21
1/70 + 63/21 is 211/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
1/70 = 1 × 3/70 × 3 = 3/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
63/21 = 63 × 10/21 × 10 = 630/210 - Add the two like fractions:
3/210 + 630/210 = 3 + 630/210 = 633/210 - 633/210 simplified gives 211/70
- So, 1/70 + 63/21 = 211/70
In mixed form: 31/70
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