Add 72/4 and 30/70
1st number: 18 0/4, 2nd number: 30/70
72/4 + 30/70 is 129/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
72/4 = 72 × 35/4 × 35 = 2520/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
30/70 = 30 × 2/70 × 2 = 60/140 - Add the two like fractions:
2520/140 + 60/140 = 2520 + 60/140 = 2580/140 - 2580/140 simplified gives 129/7
- So, 72/4 + 30/70 = 129/7
In mixed form: 183/7
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