Add 28/16 and 81/70
1st number: 1 12/16, 2nd number: 1 11/70
28/16 + 81/70 is 407/140.
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,
28/16 = 28 × 35/16 × 35 = 980/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
81/70 = 81 × 8/70 × 8 = 648/560 - Add the two like fractions:
980/560 + 648/560 = 980 + 648/560 = 1628/560 - 1628/560 simplified gives 407/140
- So, 28/16 + 81/70 = 407/140
In mixed form: 2127/140
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