Add 40/15 and 72/14
1st number: 2 10/15, 2nd number: 5 2/14
40/15 + 72/14 is 164/21.
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,
40/15 = 40 × 14/15 × 14 = 560/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
72/14 = 72 × 15/14 × 15 = 1080/210 - Add the two like fractions:
560/210 + 1080/210 = 560 + 1080/210 = 1640/210 - 1640/210 simplified gives 164/21
- So, 40/15 + 72/14 = 164/21
In mixed form: 717/21
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