Add 42/30 and 7/16
1st number: 1 12/30, 2nd number: 7/16
42/30 + 7/16 is 147/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
7/16 = 7 × 15/16 × 15 = 105/240 - Add the two like fractions:
336/240 + 105/240 = 336 + 105/240 = 441/240 - 441/240 simplified gives 147/80
- So, 42/30 + 7/16 = 147/80
In mixed form: 167/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+7/16 42/30+14/16 42/60+7/16 42/30+7/32 42/30+21/16 42/90+7/16 42/30+7/48 42/30+35/16 42/30+7/80 42/30+49/16