Add 10/16 and 42/30
1st number: 10/16, 2nd number: 1 12/30
10/16 + 42/30 is 81/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
10/16 = 10 × 15/16 × 15 = 150/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Add the two like fractions:
150/240 + 336/240 = 150 + 336/240 = 486/240 - 486/240 simplified gives 81/40
- So, 10/16 + 42/30 = 81/40
In mixed form: 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16+42/30 10/16+84/30 10/32+42/30 10/16+42/60 30/16+42/30 10/48+42/30 10/16+42/90 50/16+42/30 10/80+42/30 70/16+42/30