Add 42/70 and 15/16
42/70 + 15/16 is 123/80.
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,
15/16 = 15 × 35/16 × 35 = 525/560 - Add the two like fractions:
336/560 + 525/560 = 336 + 525/560 = 861/560 - 861/560 simplified gives 123/80
- So, 42/70 + 15/16 = 123/80
In mixed form: 143/80
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