Add 72/70 and 84/16
1st number: 1 2/70, 2nd number: 5 4/16
72/70 + 84/16 is 879/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
72/70 = 72 × 8/70 × 8 = 576/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
84/16 = 84 × 35/16 × 35 = 2940/560 - Add the two like fractions:
576/560 + 2940/560 = 576 + 2940/560 = 3516/560 - 3516/560 simplified gives 879/140
- So, 72/70 + 84/16 = 879/140
In mixed form: 639/140
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