Add 80/70 and 81/64
1st number: 1 10/70, 2nd number: 1 17/64
80/70 + 81/64 is 1079/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
80/70 = 80 × 32/70 × 32 = 2560/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
81/64 = 81 × 35/64 × 35 = 2835/2240 - Add the two like fractions:
2560/2240 + 2835/2240 = 2560 + 2835/2240 = 5395/2240 - 5395/2240 simplified gives 1079/448
- So, 80/70 + 81/64 = 1079/448
In mixed form: 2183/448
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