Add 72/15 and 45/14
1st number: 4 12/15, 2nd number: 3 3/14
72/15 + 45/14 is 561/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
72/15 = 72 × 14/15 × 14 = 1008/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
45/14 = 45 × 15/14 × 15 = 675/210 - Add the two like fractions:
1008/210 + 675/210 = 1008 + 675/210 = 1683/210 - 1683/210 simplified gives 561/70
- So, 72/15 + 45/14 = 561/70
In mixed form: 81/70
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