Add 3/70 and 72/20
1st number: 3/70, 2nd number: 3 12/20
3/70 + 72/20 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
3/70 = 3 × 2/70 × 2 = 6/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
72/20 = 72 × 7/20 × 7 = 504/140 - Add the two like fractions:
6/140 + 504/140 = 6 + 504/140 = 510/140 - 510/140 simplified gives 51/14
- So, 3/70 + 72/20 = 51/14
In mixed form: 39/14
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