Add 81/16 and 45/70
1st number: 5 1/16, 2nd number: 45/70
81/16 + 45/70 is 639/112.
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,
81/16 = 81 × 35/16 × 35 = 2835/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
45/70 = 45 × 8/70 × 8 = 360/560 - Add the two like fractions:
2835/560 + 360/560 = 2835 + 360/560 = 3195/560 - 3195/560 simplified gives 639/112
- So, 81/16 + 45/70 = 639/112
In mixed form: 579/112
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