Add 10/70 and 72/36
1st number: 10/70, 2nd number: 2 0/36
10/70 + 72/36 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
10/70 = 10 × 18/70 × 18 = 180/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
72/36 = 72 × 35/36 × 35 = 2520/1260 - Add the two like fractions:
180/1260 + 2520/1260 = 180 + 2520/1260 = 2700/1260 - 2700/1260 simplified gives 15/7
- So, 10/70 + 72/36 = 15/7
In mixed form: 21/7
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