Add 72/70 and 42/4
1st number: 1 2/70, 2nd number: 10 2/4
72/70 + 42/4 is 807/70.
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,
72/70 = 72 × 2/70 × 2 = 144/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
42/4 = 42 × 35/4 × 35 = 1470/140 - Add the two like fractions:
144/140 + 1470/140 = 144 + 1470/140 = 1614/140 - 1614/140 simplified gives 807/70
- So, 72/70 + 42/4 = 807/70
In mixed form: 1137/70
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