Add 20/70 and 72/16
1st number: 20/70, 2nd number: 4 8/16
20/70 + 72/16 is 67/14.
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,
20/70 = 20 × 8/70 × 8 = 160/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
72/16 = 72 × 35/16 × 35 = 2520/560 - Add the two like fractions:
160/560 + 2520/560 = 160 + 2520/560 = 2680/560 - 2680/560 simplified gives 67/14
- So, 20/70 + 72/16 = 67/14
In mixed form: 411/14
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