Add 72/10 and 70/84
1st number: 7 2/10, 2nd number: 70/84
72/10 + 70/84 is 241/30.
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,
70/84 = 70 × 5/84 × 5 = 350/420 - Add the two like fractions:
3024/420 + 350/420 = 3024 + 350/420 = 3374/420 - 3374/420 simplified gives 241/30
- So, 72/10 + 70/84 = 241/30
In mixed form: 81/30
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