Add 70/10 and 4/84
1st number: 7 0/10, 2nd number: 4/84
70/10 + 4/84 is 148/21.
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,
70/10 = 70 × 42/10 × 42 = 2940/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Add the two like fractions:
2940/420 + 20/420 = 2940 + 20/420 = 2960/420 - 2960/420 simplified gives 148/21
- So, 70/10 + 4/84 = 148/21
In mixed form: 71/21
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