Add 15/70 and 84/4
1st number: 15/70, 2nd number: 21 0/4
15/70 + 84/4 is 297/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
15/70 = 15 × 2/70 × 2 = 30/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
84/4 = 84 × 35/4 × 35 = 2940/140 - Add the two like fractions:
30/140 + 2940/140 = 30 + 2940/140 = 2970/140 - 2970/140 simplified gives 297/14
- So, 15/70 + 84/4 = 297/14
In mixed form: 213/14
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