Add 7/4 and 72/70
1st number: 1 3/4, 2nd number: 1 2/70
7/4 + 72/70 is 389/140.
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,
7/4 = 7 × 35/4 × 35 = 245/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
72/70 = 72 × 2/70 × 2 = 144/140 - Add the two like fractions:
245/140 + 144/140 = 245 + 144/140 = 389/140 - So, 7/4 + 72/70 = 389/140
In mixed form: 2109/140
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