Add 72/10 and 75/84
1st number: 7 2/10, 2nd number: 75/84
72/10 + 75/84 is 1133/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
72/10 = 72 × 42/10 × 42 = 3024/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Add the two like fractions:
3024/420 + 375/420 = 3024 + 375/420 = 3399/420 - 3399/420 simplified gives 1133/140
- So, 72/10 + 75/84 = 1133/140
In mixed form: 813/140
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