Add 72/16 and 21/70
1st number: 4 8/16, 2nd number: 21/70
72/16 + 21/70 is 24/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
72/16 = 72 × 35/16 × 35 = 2520/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
21/70 = 21 × 8/70 × 8 = 168/560 - Add the two like fractions:
2520/560 + 168/560 = 2520 + 168/560 = 2688/560 - 2688/560 simplified gives 24/5
- So, 72/16 + 21/70 = 24/5
In mixed form: 44/5
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