Add 42/70 and 45/16
1st number: 42/70, 2nd number: 2 13/16
42/70 + 45/16 is 273/80.
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,
42/70 = 42 × 8/70 × 8 = 336/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
45/16 = 45 × 35/16 × 35 = 1575/560 - Add the two like fractions:
336/560 + 1575/560 = 336 + 1575/560 = 1911/560 - 1911/560 simplified gives 273/80
- So, 42/70 + 45/16 = 273/80
In mixed form: 333/80
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