Add 72/70 and 75/45
1st number: 1 2/70, 2nd number: 1 30/45
72/70 + 75/45 is 283/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
75/45 = 75 × 14/45 × 14 = 1050/630 - Add the two like fractions:
648/630 + 1050/630 = 648 + 1050/630 = 1698/630 - 1698/630 simplified gives 283/105
- So, 72/70 + 75/45 = 283/105
In mixed form: 273/105
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